312394720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 872980416

約数和(自身を除く): 560585696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 53, 55, 68, 80, 85, 88, 106, 110, 136, 160, 170, 176, 187, 197, 212, 220, 265, 272, 340, 352, 374, 394, 424, 440, 530, 544, 583, 680, 748, 788, 848, 880, 901, 935, 985, 1060, 1166, 1360, 1496, 1576, 1696, 1760, 1802, 1870, 1970, 2120, 2167, 2332, 2720, 2915, 2992, 3152, 3349, 3604, 3740, 3940, 4240, 4334, 4505, 4664, 5830, 5984, 6304, 6698, 7208, 7480, 7880, 8480, 8668, 9010, 9328, 9911, 10441, 10835, 11660, 13396, 14416, 14960, 15760, 16745, 17336, 18020, 18656, 19822, 20882, 21670, 23320, 26792, 28832, 29920, 31520, 33490, 34672, 36040, 36839, 39644, 41764, 43340, 46640, 49555, 52205, 53584, 66980, 69344, 72080, 73678, 79288, 83528, 86680, 93280, 99110, 104410, 107168, 114851, 133960, 144160, 147356, 158576, 167056, 173360, 177497, 184195, 198220, 208820, 229702, 267920, 294712, 317152, 334112, 346720, 354994, 368390, 396440, 417640, 459404, 535840, 574255, 589424, 709988, 736780, 792880, 835280, 887485, 918808, 1148510, 1178848, 1419976, 1473560, 1585760, 1670560, 1774970, 1837616, 1952467, 2297020, 2839952, 2947120, 3549940, 3675232, 3904934, 4594040, 5679904, 5894240, 7099880, 7809868, 9188080, 9762335, 14199760, 15619736, 18376160, 19524670, 28399520, 31239472, 39049340, 62478944, 78098680, 156197360, 312394720]

約数ペア:

[(1, 312394720), (2, 156197360), (4, 78098680), (5, 62478944), (8, 39049340), (10, 31239472), (11, 28399520), (16, 19524670), (17, 18376160), (20, 15619736), (22, 14199760), (32, 9762335), (34, 9188080), (40, 7809868), (44, 7099880), (53, 5894240), (55, 5679904), (68, 4594040), (80, 3904934), (85, 3675232), (88, 3549940), (106, 2947120), (110, 2839952), (136, 2297020), (160, 1952467), (170, 1837616), (176, 1774970), (187, 1670560), (197, 1585760), (212, 1473560), (220, 1419976), (265, 1178848), (272, 1148510), (340, 918808), (352, 887485), (374, 835280), (394, 792880), (424, 736780), (440, 709988), (530, 589424), (544, 574255), (583, 535840), (680, 459404), (748, 417640), (788, 396440), (848, 368390), (880, 354994), (901, 346720), (935, 334112), (985, 317152), (1060, 294712), (1166, 267920), (1360, 229702), (1496, 208820), (1576, 198220), (1696, 184195), (1760, 177497), (1802, 173360), (1870, 167056), (1970, 158576), (2120, 147356), (2167, 144160), (2332, 133960), (2720, 114851), (2915, 107168), (2992, 104410), (3152, 99110), (3349, 93280), (3604, 86680), (3740, 83528), (3940, 79288), (4240, 73678), (4334, 72080), (4505, 69344), (4664, 66980), (5830, 53584), (5984, 52205), (6304, 49555), (6698, 46640), (7208, 43340), (7480, 41764), (7880, 39644), (8480, 36839), (8668, 36040), (9010, 34672), (9328, 33490), (9911, 31520), (10441, 29920), (10835, 28832), (11660, 26792), (13396, 23320), (14416, 21670), (14960, 20882), (15760, 19822), (16745, 18656), (17336, 18020)]