21279755280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 480

約数和(自身を含む): 81504783360

約数和(自身を除く): 60225028080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 131, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 262, 266, 280, 285, 294, 304, 336, 380, 392, 393, 399, 420, 456, 490, 524, 532, 560, 570, 588, 655, 665, 727, 735, 760, 784, 786, 798, 840, 912, 917, 931, 980, 1048, 1064, 1140, 1176, 1310, 1330, 1454, 1470, 1520, 1572, 1596, 1680, 1834, 1862, 1960, 1965, 1995, 2096, 2128, 2181, 2280, 2352, 2489, 2620, 2660, 2751, 2793, 2908, 2940, 3144, 3192, 3635, 3668, 3724, 3920, 3930, 3990, 4362, 4560, 4585, 4655, 4978, 5089, 5240, 5320, 5502, 5586, 5816, 5880, 6288, 6384, 6419, 7270, 7336, 7448, 7467, 7860, 7980, 8724, 9170, 9310, 9956, 10178, 10480, 10640, 10905, 11004, 11172, 11632, 11760, 12445, 12838, 13755, 13813, 13965, 14540, 14672, 14896, 14934, 15267, 15720, 15960, 17423, 17448, 18340, 18620, 19257, 19912, 20356, 21810, 22008, 22344, 24890, 25445, 25676, 27510, 27626, 27930, 29080, 29868, 30534, 31440, 31920, 32095, 34846, 34896, 35623, 36680, 37240, 37335, 38514, 39824, 40712, 41439, 43620, 44016, 44688, 49780, 50890, 51352, 52269, 55020, 55252, 55860, 58160, 59736, 61068, 64190, 69065, 69692, 71246, 73360, 74480, 74670, 76335, 77028, 81424, 82878, 87115, 87240, 95237, 96285, 96691, 99560, 101780, 102704, 104538, 106869, 110040, 110504, 111720, 119472, 121961, 122136, 128380, 138130, 139384, 142492, 149340, 152670, 154056, 165756, 174230, 174480, 178115, 190474, 192570, 193382, 199120, 203560, 207195, 209076, 213738, 220080, 221008, 223440, 243922, 244272, 256760, 261345, 276260, 278768, 284984, 285711, 290073, 298680, 305340, 308112, 331512, 348460, 356230, 365883, 380948, 385140, 386764, 407120, 414390, 418152, 427476, 476185, 483455, 487844, 513520, 522690, 534345, 552520, 569968, 571422, 580146, 597360, 609805, 610680, 663024, 666659, 676837, 696920, 712460, 731766, 761896, 770280, 773528, 828780, 836304, 854952, 952370, 966910, 975688, 1045380, 1068690, 1105040, 1142844, 1160292, 1219610, 1221360, 1333318, 1353674, 1393840, 1424920, 1428555, 1450365, 1463532, 1523792, 1540560, 1547056, 1657560, 1709904, 1809503, 1829415, 1904740, 1933820, 1951376, 1999977, 2030511, 2090760, 2137380, 2285688, 2320584, 2439220, 2666636, 2707348, 2849840, 2857110, 2900730, 2927064, 3315120, 3333295, 3384185, 3619006, 3658830, 3809480, 3867640, 3999954, 4061022, 4181520, 4274760, 4571376, 4641168, 4666613, 4878440, 5333272, 5414696, 5428509, 5714220, 5801460, 5854128, 6666590, 6768370, 7238012, 7317660, 7618960, 7735280, 7999908, 8122044, 8549520, 9047515, 9333226, 9756880, 9999885, 10152555, 10666544, 10829392, 10857018, 11428440, 11602920, 12666521, 13333180, 13536740, 13999839, 14476024, 14635320, 15999816, 16244088, 18095030, 18666452, 19999770, 20305110, 21714036, 22856880, 23205840, 23333065, 25333042, 26666360, 27073480, 27142545, 27999678, 28952048, 29270640, 31999632, 32488176, 36190060, 37332904, 37999563, 39999540, 40610220, 43428072, 46666130, 50666084, 53332720, 54146960, 54285090, 55999356, 63332605, 69999195, 72380120, 74665808, 75999126, 79999080, 81220440, 86856144, 88665647, 93332260, 101332168, 108570180, 111998712, 126665210, 139998390, 144760240, 151998252, 159998160, 162440880, 177331294, 186664520, 189997815, 202664336, 217140360, 223997424, 253330420, 265996941, 279996780, 303996504, 354662588, 373329040, 379995630, 434280720, 443328235, 506660840, 531993882, 559993560, 607993008, 709325176, 759991260, 886656470, 1013321680, 1063987764, 1119987120, 1329984705, 1418650352, 1519982520, 1773312940, 2127975528, 2659969410, 3039965040, 3546625880, 4255951056, 5319938820, 7093251760, 10639877640, 21279755280]

約数ペア:

[(1, 21279755280), (2, 10639877640), (3, 7093251760), (4, 5319938820), (5, 4255951056), (6, 3546625880), (7, 3039965040), (8, 2659969410), (10, 2127975528), (12, 1773312940), (14, 1519982520), (15, 1418650352), (16, 1329984705), (19, 1119987120), (20, 1063987764), (21, 1013321680), (24, 886656470), (28, 759991260), (30, 709325176), (35, 607993008), (38, 559993560), (40, 531993882), (42, 506660840), (48, 443328235), (49, 434280720), (56, 379995630), (57, 373329040), (60, 354662588), (70, 303996504), (76, 279996780), (80, 265996941), (84, 253330420), (95, 223997424), (98, 217140360), (105, 202664336), (112, 189997815), (114, 186664520), (120, 177331294), (131, 162440880), (133, 159998160), (140, 151998252), (147, 144760240), (152, 139998390), (168, 126665210), (190, 111998712), (196, 108570180), (210, 101332168), (228, 93332260), (240, 88665647), (245, 86856144), (262, 81220440), (266, 79999080), (280, 75999126), (285, 74665808), (294, 72380120), (304, 69999195), (336, 63332605), (380, 55999356), (392, 54285090), (393, 54146960), (399, 53332720), (420, 50666084), (456, 46666130), (490, 43428072), (524, 40610220), (532, 39999540), (560, 37999563), (570, 37332904), (588, 36190060), (655, 32488176), (665, 31999632), (727, 29270640), (735, 28952048), (760, 27999678), (784, 27142545), (786, 27073480), (798, 26666360), (840, 25333042), (912, 23333065), (917, 23205840), (931, 22856880), (980, 21714036), (1048, 20305110), (1064, 19999770), (1140, 18666452), (1176, 18095030), (1310, 16244088), (1330, 15999816), (1454, 14635320), (1470, 14476024), (1520, 13999839), (1572, 13536740), (1596, 13333180), (1680, 12666521), (1834, 11602920), (1862, 11428440), (1960, 10857018), (1965, 10829392), (1995, 10666544), (2096, 10152555), (2128, 9999885), (2181, 9756880), (2280, 9333226), (2352, 9047515), (2489, 8549520), (2620, 8122044), (2660, 7999908), (2751, 7735280), (2793, 7618960), (2908, 7317660), (2940, 7238012), (3144, 6768370), (3192, 6666590), (3635, 5854128), (3668, 5801460), (3724, 5714220), (3920, 5428509), (3930, 5414696), (3990, 5333272), (4362, 4878440), (4560, 4666613), (4585, 4641168), (4655, 4571376), (4978, 4274760), (5089, 4181520), (5240, 4061022), (5320, 3999954), (5502, 3867640), (5586, 3809480), (5816, 3658830), (5880, 3619006), (6288, 3384185), (6384, 3333295), (6419, 3315120), (7270, 2927064), (7336, 2900730), (7448, 2857110), (7467, 2849840), (7860, 2707348), (7980, 2666636), (8724, 2439220), (9170, 2320584), (9310, 2285688), (9956, 2137380), (10178, 2090760), (10480, 2030511), (10640, 1999977), (10905, 1951376), (11004, 1933820), (11172, 1904740), (11632, 1829415), (11760, 1809503), (12445, 1709904), (12838, 1657560), (13755, 1547056), (13813, 1540560), (13965, 1523792), (14540, 1463532), (14672, 1450365), (14896, 1428555), (14934, 1424920), (15267, 1393840), (15720, 1353674), (15960, 1333318), (17423, 1221360), (17448, 1219610), (18340, 1160292), (18620, 1142844), (19257, 1105040), (19912, 1068690), (20356, 1045380), (21810, 975688), (22008, 966910), (22344, 952370), (24890, 854952), (25445, 836304), (25676, 828780), (27510, 773528), (27626, 770280), (27930, 761896), (29080, 731766), (29868, 712460), (30534, 696920), (31440, 676837), (31920, 666659), (32095, 663024), (34846, 610680), (34896, 609805), (35623, 597360), (36680, 580146), (37240, 571422), (37335, 569968), (38514, 552520), (39824, 534345), (40712, 522690), (41439, 513520), (43620, 487844), (44016, 483455), (44688, 476185), (49780, 427476), (50890, 418152), (51352, 414390), (52269, 407120), (55020, 386764), (55252, 385140), (55860, 380948), (58160, 365883), (59736, 356230), (61068, 348460), (64190, 331512), (69065, 308112), (69692, 305340), (71246, 298680), (73360, 290073), (74480, 285711), (74670, 284984), (76335, 278768), (77028, 276260), (81424, 261345), (82878, 256760), (87115, 244272), (87240, 243922), (95237, 223440), (96285, 221008), (96691, 220080), (99560, 213738), (101780, 209076), (102704, 207195), (104538, 203560), (106869, 199120), (110040, 193382), (110504, 192570), (111720, 190474), (119472, 178115), (121961, 174480), (122136, 174230), (128380, 165756), (138130, 154056), (139384, 152670), (142492, 149340)]