91217360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 230401920

約数和(自身を除く): 139184560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 631, 695, 1040, 1112, 1262, 1390, 1807, 2224, 2524, 2780, 3155, 3614, 5048, 5560, 6310, 7228, 8203, 9035, 10096, 11120, 12620, 14456, 16406, 18070, 25240, 28912, 32812, 36140, 41015, 50480, 65624, 72280, 82030, 87709, 131248, 144560, 164060, 175418, 328120, 350836, 438545, 656240, 701672, 877090, 1140217, 1403344, 1754180, 2280434, 3508360, 4560868, 5701085, 7016720, 9121736, 11402170, 18243472, 22804340, 45608680, 91217360]

約数ペア:

[(1, 91217360), (2, 45608680), (4, 22804340), (5, 18243472), (8, 11402170), (10, 9121736), (13, 7016720), (16, 5701085), (20, 4560868), (26, 3508360), (40, 2280434), (52, 1754180), (65, 1403344), (80, 1140217), (104, 877090), (130, 701672), (139, 656240), (208, 438545), (260, 350836), (278, 328120), (520, 175418), (556, 164060), (631, 144560), (695, 131248), (1040, 87709), (1112, 82030), (1262, 72280), (1390, 65624), (1807, 50480), (2224, 41015), (2524, 36140), (2780, 32812), (3155, 28912), (3614, 25240), (5048, 18070), (5560, 16406), (6310, 14456), (7228, 12620), (8203, 11120), (9035, 10096)]