71486640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2371

約数の個数: 120

約数和(自身を含む): 245765520

約数和(自身を除く): 174278880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2309, 2580, 3096, 3440, 3870, 4618, 5160, 6192, 6927, 7740, 9236, 10320, 11545, 13854, 15480, 18472, 20781, 23090, 27708, 30960, 34635, 36944, 41562, 46180, 55416, 69270, 83124, 92360, 99287, 103905, 110832, 138540, 166248, 184720, 198574, 207810, 277080, 297861, 332496, 397148, 415620, 496435, 554160, 595722, 794296, 831240, 893583, 992870, 1191444, 1489305, 1588592, 1662480, 1787166, 1985740, 2382888, 2978610, 3574332, 3971480, 4467915, 4765776, 5957220, 7148664, 7942960, 8935830, 11914440, 14297328, 17871660, 23828880, 35743320, 71486640]

約数ペア:

[(1, 71486640), (2, 35743320), (3, 23828880), (4, 17871660), (5, 14297328), (6, 11914440), (8, 8935830), (9, 7942960), (10, 7148664), (12, 5957220), (15, 4765776), (16, 4467915), (18, 3971480), (20, 3574332), (24, 2978610), (30, 2382888), (36, 1985740), (40, 1787166), (43, 1662480), (45, 1588592), (48, 1489305), (60, 1191444), (72, 992870), (80, 893583), (86, 831240), (90, 794296), (120, 595722), (129, 554160), (144, 496435), (172, 415620), (180, 397148), (215, 332496), (240, 297861), (258, 277080), (344, 207810), (360, 198574), (387, 184720), (430, 166248), (516, 138540), (645, 110832), (688, 103905), (720, 99287), (774, 92360), (860, 83124), (1032, 69270), (1290, 55416), (1548, 46180), (1720, 41562), (1935, 36944), (2064, 34635), (2309, 30960), (2580, 27708), (3096, 23090), (3440, 20781), (3870, 18472), (4618, 15480), (5160, 13854), (6192, 11545), (6927, 10320), (7740, 9236)]