157777440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1554

約数の個数: 96

約数和(自身を含む): 499322880

約数和(自身を除く): 341545440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 257, 480, 514, 771, 1028, 1279, 1285, 1542, 2056, 2558, 2570, 3084, 3837, 3855, 4112, 5116, 5140, 6168, 6395, 7674, 7710, 8224, 10232, 10280, 12336, 12790, 15348, 15420, 19185, 20464, 20560, 24672, 25580, 30696, 30840, 38370, 40928, 41120, 51160, 61392, 61680, 76740, 102320, 122784, 123360, 153480, 204640, 306960, 328703, 613920, 657406, 986109, 1314812, 1643515, 1972218, 2629624, 3287030, 3944436, 4930545, 5259248, 6574060, 7888872, 9861090, 10518496, 13148120, 15777744, 19722180, 26296240, 31555488, 39444360, 52592480, 78888720, 157777440]

約数ペア:

[(1, 157777440), (2, 78888720), (3, 52592480), (4, 39444360), (5, 31555488), (6, 26296240), (8, 19722180), (10, 15777744), (12, 13148120), (15, 10518496), (16, 9861090), (20, 7888872), (24, 6574060), (30, 5259248), (32, 4930545), (40, 3944436), (48, 3287030), (60, 2629624), (80, 1972218), (96, 1643515), (120, 1314812), (160, 986109), (240, 657406), (257, 613920), (480, 328703), (514, 306960), (771, 204640), (1028, 153480), (1279, 123360), (1285, 122784), (1542, 102320), (2056, 76740), (2558, 61680), (2570, 61392), (3084, 51160), (3837, 41120), (3855, 40928), (4112, 38370), (5116, 30840), (5140, 30696), (6168, 25580), (6395, 24672), (7674, 20560), (7710, 20464), (8224, 19185), (10232, 15420), (10280, 15348), (12336, 12790)]