87961640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 232848000

約数和(自身を除く): 144886360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 290, 307, 377, 380, 494, 520, 551, 580, 614, 754, 760, 988, 1102, 1160, 1228, 1235, 1508, 1535, 1885, 1976, 2204, 2456, 2470, 2755, 3016, 3070, 3770, 3991, 4408, 4940, 5510, 5833, 6140, 7163, 7540, 7982, 8903, 9880, 11020, 11666, 12280, 14326, 15080, 15964, 17806, 19955, 22040, 23332, 28652, 29165, 31928, 35612, 35815, 39910, 44515, 46664, 57304, 58330, 71224, 71630, 75829, 79820, 89030, 115739, 116660, 143260, 151658, 159640, 169157, 178060, 231478, 233320, 286520, 303316, 338314, 356120, 379145, 462956, 578695, 606632, 676628, 758290, 845785, 925912, 1157390, 1353256, 1516580, 1691570, 2199041, 2314780, 3033160, 3383140, 4398082, 4629560, 6766280, 8796164, 10995205, 17592328, 21990410, 43980820, 87961640]

約数ペア:

[(1, 87961640), (2, 43980820), (4, 21990410), (5, 17592328), (8, 10995205), (10, 8796164), (13, 6766280), (19, 4629560), (20, 4398082), (26, 3383140), (29, 3033160), (38, 2314780), (40, 2199041), (52, 1691570), (58, 1516580), (65, 1353256), (76, 1157390), (95, 925912), (104, 845785), (116, 758290), (130, 676628), (145, 606632), (152, 578695), (190, 462956), (232, 379145), (247, 356120), (260, 338314), (290, 303316), (307, 286520), (377, 233320), (380, 231478), (494, 178060), (520, 169157), (551, 159640), (580, 151658), (614, 143260), (754, 116660), (760, 115739), (988, 89030), (1102, 79820), (1160, 75829), (1228, 71630), (1235, 71224), (1508, 58330), (1535, 57304), (1885, 46664), (1976, 44515), (2204, 39910), (2456, 35815), (2470, 35612), (2755, 31928), (3016, 29165), (3070, 28652), (3770, 23332), (3991, 22040), (4408, 19955), (4940, 17806), (5510, 15964), (5833, 15080), (6140, 14326), (7163, 12280), (7540, 11666), (7982, 11020), (8903, 9880)]