20187580920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{26249}}^1$

素因数の和:26322

約数の個数: 256

約数和(自身を含む): 71442000000

約数和(自身を除く): 51254419080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 29, 30, 34, 39, 40, 51, 52, 58, 60, 65, 68, 78, 85, 87, 102, 104, 116, 120, 130, 136, 145, 156, 170, 174, 195, 204, 221, 232, 255, 260, 290, 312, 340, 348, 377, 390, 408, 435, 442, 493, 510, 520, 580, 663, 680, 696, 754, 780, 870, 884, 986, 1020, 1105, 1131, 1160, 1326, 1479, 1508, 1560, 1740, 1768, 1885, 1972, 2040, 2210, 2262, 2465, 2652, 2958, 3016, 3315, 3480, 3770, 3944, 4420, 4524, 4930, 5304, 5655, 5916, 6409, 6630, 7395, 7540, 8840, 9048, 9860, 11310, 11832, 12818, 13260, 14790, 15080, 19227, 19720, 22620, 25636, 26249, 26520, 29580, 32045, 38454, 45240, 51272, 52498, 59160, 64090, 76908, 78747, 96135, 104996, 128180, 131245, 153816, 157494, 192270, 209992, 256360, 262490, 314988, 341237, 384540, 393735, 446233, 524980, 629976, 682474, 761221, 769080, 787470, 892466, 1023711, 1049960, 1338699, 1364948, 1522442, 1574940, 1706185, 1784932, 2047422, 2231165, 2283663, 2677398, 2729896, 3044884, 3149880, 3412370, 3569864, 3806105, 4094844, 4462330, 4567326, 5118555, 5354796, 5801029, 6089768, 6693495, 6824740, 7612210, 8189688, 8924660, 9134652, 9895873, 10237110, 10709592, 11418315, 11602058, 12940757, 13386990, 13649480, 15224420, 17403087, 17849320, 18269304, 19791746, 20474220, 22836630, 23204116, 25881514, 26773980, 29005145, 29687619, 30448840, 34806174, 38822271, 39583492, 40948440, 45673260, 46408232, 49479365, 51763028, 53547960, 58010290, 59375238, 64703785, 69612348, 77644542, 79166984, 87015435, 91346520, 98958730, 103526056, 116020580, 118750476, 129407570, 139224696, 148438095, 155289084, 168229841, 174030870, 194111355, 197917460, 232041160, 237500952, 258815140, 296876190, 310578168, 336459682, 348061740, 388222710, 395834920, 504689523, 517630280, 593752380, 672919364, 696123480, 776445420, 841149205, 1009379046, 1187504760, 1345838728, 1552890840, 1682298410, 2018758092, 2523447615, 3364596820, 4037516184, 5046895230, 6729193640, 10093790460, 20187580920]

約数ペア:

[(1, 20187580920), (2, 10093790460), (3, 6729193640), (4, 5046895230), (5, 4037516184), (6, 3364596820), (8, 2523447615), (10, 2018758092), (12, 1682298410), (13, 1552890840), (15, 1345838728), (17, 1187504760), (20, 1009379046), (24, 841149205), (26, 776445420), (29, 696123480), (30, 672919364), (34, 593752380), (39, 517630280), (40, 504689523), (51, 395834920), (52, 388222710), (58, 348061740), (60, 336459682), (65, 310578168), (68, 296876190), (78, 258815140), (85, 237500952), (87, 232041160), (102, 197917460), (104, 194111355), (116, 174030870), (120, 168229841), (130, 155289084), (136, 148438095), (145, 139224696), (156, 129407570), (170, 118750476), (174, 116020580), (195, 103526056), (204, 98958730), (221, 91346520), (232, 87015435), (255, 79166984), (260, 77644542), (290, 69612348), (312, 64703785), (340, 59375238), (348, 58010290), (377, 53547960), (390, 51763028), (408, 49479365), (435, 46408232), (442, 45673260), (493, 40948440), (510, 39583492), (520, 38822271), (580, 34806174), (663, 30448840), (680, 29687619), (696, 29005145), (754, 26773980), (780, 25881514), (870, 23204116), (884, 22836630), (986, 20474220), (1020, 19791746), (1105, 18269304), (1131, 17849320), (1160, 17403087), (1326, 15224420), (1479, 13649480), (1508, 13386990), (1560, 12940757), (1740, 11602058), (1768, 11418315), (1885, 10709592), (1972, 10237110), (2040, 9895873), (2210, 9134652), (2262, 8924660), (2465, 8189688), (2652, 7612210), (2958, 6824740), (3016, 6693495), (3315, 6089768), (3480, 5801029), (3770, 5354796), (3944, 5118555), (4420, 4567326), (4524, 4462330), (4930, 4094844), (5304, 3806105), (5655, 3569864), (5916, 3412370), (6409, 3149880), (6630, 3044884), (7395, 2729896), (7540, 2677398), (8840, 2283663), (9048, 2231165), (9860, 2047422), (11310, 1784932), (11832, 1706185), (12818, 1574940), (13260, 1522442), (14790, 1364948), (15080, 1338699), (19227, 1049960), (19720, 1023711), (22620, 892466), (25636, 787470), (26249, 769080), (26520, 761221), (29580, 682474), (32045, 629976), (38454, 524980), (45240, 446233), (51272, 393735), (52498, 384540), (59160, 341237), (64090, 314988), (76908, 262490), (78747, 256360), (96135, 209992), (104996, 192270), (128180, 157494), (131245, 153816)]