71313640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 176832000

約数和(自身を除く): 105518360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 199, 248, 289, 310, 340, 398, 527, 578, 620, 680, 796, 995, 1054, 1156, 1240, 1445, 1592, 1990, 2108, 2312, 2635, 2890, 3383, 3980, 4216, 5270, 5780, 6169, 6766, 7960, 8959, 10540, 11560, 12338, 13532, 16915, 17918, 21080, 24676, 27064, 30845, 33830, 35836, 44795, 49352, 57511, 61690, 67660, 71672, 89590, 104873, 115022, 123380, 135320, 179180, 209746, 230044, 246760, 287555, 358360, 419492, 460088, 524365, 575110, 838984, 1048730, 1150220, 1782841, 2097460, 2300440, 3565682, 4194920, 7131364, 8914205, 14262728, 17828410, 35656820, 71313640]

約数ペア:

[(1, 71313640), (2, 35656820), (4, 17828410), (5, 14262728), (8, 8914205), (10, 7131364), (17, 4194920), (20, 3565682), (31, 2300440), (34, 2097460), (40, 1782841), (62, 1150220), (68, 1048730), (85, 838984), (124, 575110), (136, 524365), (155, 460088), (170, 419492), (199, 358360), (248, 287555), (289, 246760), (310, 230044), (340, 209746), (398, 179180), (527, 135320), (578, 123380), (620, 115022), (680, 104873), (796, 89590), (995, 71672), (1054, 67660), (1156, 61690), (1240, 57511), (1445, 49352), (1592, 44795), (1990, 35836), (2108, 33830), (2312, 30845), (2635, 27064), (2890, 24676), (3383, 21080), (3980, 17918), (4216, 16915), (5270, 13532), (5780, 12338), (6169, 11560), (6766, 10540), (7960, 8959)]