78253817880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1447}}^1\times {\mathrm{64381}}^1$

素因数の和:65849

約数の個数: 128

約数和(自身を含む): 268488391680

約数和(自身を除く): 190234573800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1447, 2894, 4341, 5788, 7235, 8682, 10129, 11576, 14470, 17364, 20258, 21705, 28940, 30387, 34728, 40516, 43410, 50645, 57880, 60774, 64381, 81032, 86820, 101290, 121548, 128762, 151935, 173640, 193143, 202580, 243096, 257524, 303870, 321905, 386286, 405160, 450667, 515048, 607740, 643810, 772572, 901334, 965715, 1215480, 1287620, 1352001, 1545144, 1802668, 1931430, 2253335, 2575240, 2704002, 3605336, 3862860, 4506670, 5408004, 6760005, 7725720, 9013340, 10816008, 13520010, 18026680, 27040020, 54080040, 93159307, 186318614, 279477921, 372637228, 465796535, 558955842, 652115149, 745274456, 931593070, 1117911684, 1304230298, 1397389605, 1863186140, 1956345447, 2235823368, 2608460596, 2794779210, 3260575745, 3726372280, 3912690894, 5216921192, 5589558420, 6521151490, 7825381788, 9781727235, 11179116840, 13042302980, 15650763576, 19563454470, 26084605960, 39126908940, 78253817880]

約数ペア:

[(1, 78253817880), (2, 39126908940), (3, 26084605960), (4, 19563454470), (5, 15650763576), (6, 13042302980), (7, 11179116840), (8, 9781727235), (10, 7825381788), (12, 6521151490), (14, 5589558420), (15, 5216921192), (20, 3912690894), (21, 3726372280), (24, 3260575745), (28, 2794779210), (30, 2608460596), (35, 2235823368), (40, 1956345447), (42, 1863186140), (56, 1397389605), (60, 1304230298), (70, 1117911684), (84, 931593070), (105, 745274456), (120, 652115149), (140, 558955842), (168, 465796535), (210, 372637228), (280, 279477921), (420, 186318614), (840, 93159307), (1447, 54080040), (2894, 27040020), (4341, 18026680), (5788, 13520010), (7235, 10816008), (8682, 9013340), (10129, 7725720), (11576, 6760005), (14470, 5408004), (17364, 4506670), (20258, 3862860), (21705, 3605336), (28940, 2704002), (30387, 2575240), (34728, 2253335), (40516, 1931430), (43410, 1802668), (50645, 1545144), (57880, 1352001), (60774, 1287620), (64381, 1215480), (81032, 965715), (86820, 901334), (101290, 772572), (121548, 643810), (128762, 607740), (151935, 515048), (173640, 450667), (193143, 405160), (202580, 386286), (243096, 321905), (257524, 303870)]