78674960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 229485312

約数和(自身を除く): 150810352

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 101, 104, 107, 112, 130, 140, 182, 202, 208, 214, 260, 280, 364, 404, 428, 455, 505, 520, 535, 560, 707, 728, 749, 808, 856, 910, 1010, 1040, 1070, 1313, 1391, 1414, 1456, 1498, 1616, 1712, 1820, 2020, 2140, 2626, 2782, 2828, 2996, 3535, 3640, 3745, 4040, 4280, 5252, 5564, 5656, 5992, 6565, 6955, 7070, 7280, 7490, 8080, 8560, 9191, 9737, 10504, 10807, 11128, 11312, 11984, 13130, 13910, 14140, 14980, 18382, 19474, 21008, 21614, 22256, 26260, 27820, 28280, 29960, 36764, 38948, 43228, 45955, 48685, 52520, 54035, 55640, 56560, 59920, 73528, 75649, 77896, 86456, 91910, 97370, 105040, 108070, 111280, 140491, 147056, 151298, 155792, 172912, 183820, 194740, 216140, 280982, 302596, 367640, 378245, 389480, 432280, 561964, 605192, 702455, 735280, 756490, 778960, 864560, 983437, 1123928, 1210384, 1404910, 1512980, 1966874, 2247856, 2809820, 3025960, 3933748, 4917185, 5619640, 6051920, 7867496, 9834370, 11239280, 15734992, 19668740, 39337480, 78674960]

約数ペア:

[(1, 78674960), (2, 39337480), (4, 19668740), (5, 15734992), (7, 11239280), (8, 9834370), (10, 7867496), (13, 6051920), (14, 5619640), (16, 4917185), (20, 3933748), (26, 3025960), (28, 2809820), (35, 2247856), (40, 1966874), (52, 1512980), (56, 1404910), (65, 1210384), (70, 1123928), (80, 983437), (91, 864560), (101, 778960), (104, 756490), (107, 735280), (112, 702455), (130, 605192), (140, 561964), (182, 432280), (202, 389480), (208, 378245), (214, 367640), (260, 302596), (280, 280982), (364, 216140), (404, 194740), (428, 183820), (455, 172912), (505, 155792), (520, 151298), (535, 147056), (560, 140491), (707, 111280), (728, 108070), (749, 105040), (808, 97370), (856, 91910), (910, 86456), (1010, 77896), (1040, 75649), (1070, 73528), (1313, 59920), (1391, 56560), (1414, 55640), (1456, 54035), (1498, 52520), (1616, 48685), (1712, 45955), (1820, 43228), (2020, 38948), (2140, 36764), (2626, 29960), (2782, 28280), (2828, 27820), (2996, 26260), (3535, 22256), (3640, 21614), (3745, 21008), (4040, 19474), (4280, 18382), (5252, 14980), (5564, 14140), (5656, 13910), (5992, 13130), (6565, 11984), (6955, 11312), (7070, 11128), (7280, 10807), (7490, 10504), (8080, 9737), (8560, 9191)]