68787440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1434

約数の個数: 80

約数和(自身を含む): 174042432

約数和(自身を除く): 105254992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1367, 1480, 2516, 2734, 2960, 3145, 5032, 5468, 6290, 6835, 10064, 10936, 12580, 13670, 21872, 23239, 25160, 27340, 46478, 50320, 50579, 54680, 92956, 101158, 109360, 116195, 185912, 202316, 232390, 252895, 371824, 404632, 464780, 505790, 809264, 859843, 929560, 1011580, 1719686, 1859120, 2023160, 3439372, 4046320, 4299215, 6878744, 8598430, 13757488, 17196860, 34393720, 68787440]

約数ペア:

[(1, 68787440), (2, 34393720), (4, 17196860), (5, 13757488), (8, 8598430), (10, 6878744), (16, 4299215), (17, 4046320), (20, 3439372), (34, 2023160), (37, 1859120), (40, 1719686), (68, 1011580), (74, 929560), (80, 859843), (85, 809264), (136, 505790), (148, 464780), (170, 404632), (185, 371824), (272, 252895), (296, 232390), (340, 202316), (370, 185912), (592, 116195), (629, 109360), (680, 101158), (740, 92956), (1258, 54680), (1360, 50579), (1367, 50320), (1480, 46478), (2516, 27340), (2734, 25160), (2960, 23239), (3145, 21872), (5032, 13670), (5468, 12580), (6290, 10936), (6835, 10064)]