20218132980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:661

約数の個数: 480

約数和(自身を含む): 71395188480

約数和(自身を除く): 51177055500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 59, 60, 68, 69, 81, 85, 90, 92, 102, 108, 115, 118, 135, 138, 153, 162, 170, 177, 180, 204, 207, 230, 236, 255, 270, 276, 295, 306, 324, 340, 345, 354, 391, 405, 414, 459, 460, 510, 531, 540, 541, 590, 612, 621, 690, 708, 765, 782, 810, 828, 885, 918, 1003, 1020, 1035, 1062, 1082, 1173, 1180, 1242, 1357, 1377, 1380, 1530, 1564, 1593, 1620, 1623, 1770, 1836, 1863, 1955, 2006, 2070, 2124, 2164, 2295, 2346, 2484, 2655, 2705, 2714, 2754, 3009, 3060, 3105, 3186, 3246, 3519, 3540, 3726, 3910, 4012, 4071, 4140, 4590, 4692, 4779, 4869, 5015, 5310, 5410, 5428, 5508, 5865, 6018, 6210, 6372, 6492, 6785, 6885, 7038, 7452, 7820, 7965, 8115, 8142, 9027, 9180, 9197, 9315, 9558, 9738, 10030, 10557, 10620, 10820, 11730, 12036, 12213, 12420, 12443, 13570, 13770, 14076, 14607, 15045, 15930, 16230, 16284, 17595, 18054, 18394, 18630, 19116, 19476, 20060, 20355, 21114, 23069, 23460, 23895, 24345, 24426, 24886, 27081, 27140, 27540, 27591, 29214, 30090, 31671, 31860, 31919, 32460, 35190, 36108, 36639, 36788, 37260, 37329, 40710, 42228, 43821, 45135, 45985, 46138, 47790, 48690, 48852, 49772, 52785, 54162, 55182, 58428, 60180, 61065, 62215, 63342, 63838, 69207, 70380, 73035, 73278, 74658, 81243, 81420, 82773, 87642, 90270, 91970, 92276, 95580, 95757, 97380, 105570, 108324, 109917, 110364, 111987, 115345, 122130, 124430, 126684, 127676, 135405, 137955, 138414, 146070, 146556, 149316, 158355, 159595, 162486, 165546, 175284, 180540, 183195, 183940, 186645, 191514, 207621, 211140, 211531, 219105, 219834, 223974, 230690, 244260, 248319, 248860, 270810, 275910, 276828, 287271, 292140, 316710, 319190, 324972, 331092, 335961, 346035, 366390, 373290, 383028, 406215, 413865, 415242, 423062, 438210, 439668, 447948, 461380, 478785, 496638, 541620, 542623, 549585, 551820, 559935, 574542, 622863, 633420, 634593, 638380, 671922, 692070, 732780, 734137, 744957, 746580, 812430, 827730, 830484, 846124, 861813, 876420, 957570, 993276, 1007883, 1038105, 1057655, 1085246, 1099170, 1119870, 1149084, 1241595, 1245726, 1269186, 1343844, 1384140, 1436355, 1468274, 1489914, 1624860, 1627869, 1655460, 1679805, 1723626, 1868589, 1903779, 1915140, 2015766, 2076210, 2115310, 2170492, 2198340, 2202411, 2239740, 2483190, 2491452, 2538372, 2585439, 2713115, 2872710, 2936548, 2979828, 3114315, 3172965, 3255738, 3359610, 3447252, 3670685, 3724785, 3737178, 3807558, 4031532, 4152420, 4230620, 4309065, 4404822, 4883607, 4966380, 5039415, 5170878, 5426230, 5711337, 5745420, 6228630, 6345930, 6511476, 6607233, 6719220, 7341370, 7449570, 7474356, 7615116, 8139345, 8618130, 8809644, 9342945, 9518895, 9767214, 10078830, 10341756, 10852460, 11012055, 11422674, 12457260, 12480329, 12691860, 12927195, 13214466, 14650821, 14682740, 14899140, 16278690, 17134011, 17236260, 18685890, 19037790, 19534428, 19821699, 20157660, 22024110, 22845348, 24418035, 24960658, 25854390, 26428932, 28556685, 29301642, 32557380, 33036165, 34268022, 37371780, 37440987, 38075580, 39643398, 43952463, 44048220, 48836070, 49921316, 51708780, 57113370, 58603284, 59465097, 62401645, 66072330, 68536044, 73254105, 74881974, 79286796, 85670055, 87904926, 97672140, 99108495, 112322961, 114226740, 118930194, 124803290, 132144660, 146508210, 149763948, 171340110, 175809852, 187204935, 198216990, 219762315, 224645922, 237860388, 249606580, 293016420, 297325485, 336968883, 342680220, 374409870, 396433980, 439524630, 449291844, 561614805, 594650970, 673937766, 748819740, 879049260, 1010906649, 1123229610, 1189301940, 1347875532, 1684844415, 2021813298, 2246459220, 3369688830, 4043626596, 5054533245, 6739377660, 10109066490, 20218132980]

約数ペア:

[(1, 20218132980), (2, 10109066490), (3, 6739377660), (4, 5054533245), (5, 4043626596), (6, 3369688830), (9, 2246459220), (10, 2021813298), (12, 1684844415), (15, 1347875532), (17, 1189301940), (18, 1123229610), (20, 1010906649), (23, 879049260), (27, 748819740), (30, 673937766), (34, 594650970), (36, 561614805), (45, 449291844), (46, 439524630), (51, 396433980), (54, 374409870), (59, 342680220), (60, 336968883), (68, 297325485), (69, 293016420), (81, 249606580), (85, 237860388), (90, 224645922), (92, 219762315), (102, 198216990), (108, 187204935), (115, 175809852), (118, 171340110), (135, 149763948), (138, 146508210), (153, 132144660), (162, 124803290), (170, 118930194), (177, 114226740), (180, 112322961), (204, 99108495), (207, 97672140), (230, 87904926), (236, 85670055), (255, 79286796), (270, 74881974), (276, 73254105), (295, 68536044), (306, 66072330), (324, 62401645), (340, 59465097), (345, 58603284), (354, 57113370), (391, 51708780), (405, 49921316), (414, 48836070), (459, 44048220), (460, 43952463), (510, 39643398), (531, 38075580), (540, 37440987), (541, 37371780), (590, 34268022), (612, 33036165), (621, 32557380), (690, 29301642), (708, 28556685), (765, 26428932), (782, 25854390), (810, 24960658), (828, 24418035), (885, 22845348), (918, 22024110), (1003, 20157660), (1020, 19821699), (1035, 19534428), (1062, 19037790), (1082, 18685890), (1173, 17236260), (1180, 17134011), (1242, 16278690), (1357, 14899140), (1377, 14682740), (1380, 14650821), (1530, 13214466), (1564, 12927195), (1593, 12691860), (1620, 12480329), (1623, 12457260), (1770, 11422674), (1836, 11012055), (1863, 10852460), (1955, 10341756), (2006, 10078830), (2070, 9767214), (2124, 9518895), (2164, 9342945), (2295, 8809644), (2346, 8618130), (2484, 8139345), (2655, 7615116), (2705, 7474356), (2714, 7449570), (2754, 7341370), (3009, 6719220), (3060, 6607233), (3105, 6511476), (3186, 6345930), (3246, 6228630), (3519, 5745420), (3540, 5711337), (3726, 5426230), (3910, 5170878), (4012, 5039415), (4071, 4966380), (4140, 4883607), (4590, 4404822), (4692, 4309065), (4779, 4230620), (4869, 4152420), (5015, 4031532), (5310, 3807558), (5410, 3737178), (5428, 3724785), (5508, 3670685), (5865, 3447252), (6018, 3359610), (6210, 3255738), (6372, 3172965), (6492, 3114315), (6785, 2979828), (6885, 2936548), (7038, 2872710), (7452, 2713115), (7820, 2585439), (7965, 2538372), (8115, 2491452), (8142, 2483190), (9027, 2239740), (9180, 2202411), (9197, 2198340), (9315, 2170492), (9558, 2115310), (9738, 2076210), (10030, 2015766), (10557, 1915140), (10620, 1903779), (10820, 1868589), (11730, 1723626), (12036, 1679805), (12213, 1655460), (12420, 1627869), (12443, 1624860), (13570, 1489914), (13770, 1468274), (14076, 1436355), (14607, 1384140), (15045, 1343844), (15930, 1269186), (16230, 1245726), (16284, 1241595), (17595, 1149084), (18054, 1119870), (18394, 1099170), (18630, 1085246), (19116, 1057655), (19476, 1038105), (20060, 1007883), (20355, 993276), (21114, 957570), (23069, 876420), (23460, 861813), (23895, 846124), (24345, 830484), (24426, 827730), (24886, 812430), (27081, 746580), (27140, 744957), (27540, 734137), (27591, 732780), (29214, 692070), (30090, 671922), (31671, 638380), (31860, 634593), (31919, 633420), (32460, 622863), (35190, 574542), (36108, 559935), (36639, 551820), (36788, 549585), (37260, 542623), (37329, 541620), (40710, 496638), (42228, 478785), (43821, 461380), (45135, 447948), (45985, 439668), (46138, 438210), (47790, 423062), (48690, 415242), (48852, 413865), (49772, 406215), (52785, 383028), (54162, 373290), (55182, 366390), (58428, 346035), (60180, 335961), (61065, 331092), (62215, 324972), (63342, 319190), (63838, 316710), (69207, 292140), (70380, 287271), (73035, 276828), (73278, 275910), (74658, 270810), (81243, 248860), (81420, 248319), (82773, 244260), (87642, 230690), (90270, 223974), (91970, 219834), (92276, 219105), (95580, 211531), (95757, 211140), (97380, 207621), (105570, 191514), (108324, 186645), (109917, 183940), (110364, 183195), (111987, 180540), (115345, 175284), (122130, 165546), (124430, 162486), (126684, 159595), (127676, 158355), (135405, 149316), (137955, 146556), (138414, 146070)]