2678702960

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{1031}}^1$

素因数の和:1782

約数の個数: 80

約数和(自身を含む): 6375877632

約数和(自身を除く): 3697174672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 691, 752, 940, 1031, 1382, 1880, 2062, 2764, 3455, 3760, 4124, 5155, 5528, 6910, 8248, 10310, 11056, 13820, 16496, 20620, 27640, 32477, 41240, 48457, 55280, 64954, 82480, 96914, 129908, 162385, 193828, 242285, 259816, 324770, 387656, 484570, 519632, 649540, 712421, 775312, 969140, 1299080, 1424842, 1938280, 2598160, 2849684, 3562105, 3876560, 5699368, 7124210, 11398736, 14248420, 28496840, 33483787, 56993680, 66967574, 133935148, 167418935, 267870296, 334837870, 535740592, 669675740, 1339351480, 2678702960]

約数ペア:

[(1, 2678702960), (2, 1339351480), (4, 669675740), (5, 535740592), (8, 334837870), (10, 267870296), (16, 167418935), (20, 133935148), (40, 66967574), (47, 56993680), (80, 33483787), (94, 28496840), (188, 14248420), (235, 11398736), (376, 7124210), (470, 5699368), (691, 3876560), (752, 3562105), (940, 2849684), (1031, 2598160), (1382, 1938280), (1880, 1424842), (2062, 1299080), (2764, 969140), (3455, 775312), (3760, 712421), (4124, 649540), (5155, 519632), (5528, 484570), (6910, 387656), (8248, 324770), (10310, 259816), (11056, 242285), (13820, 193828), (16496, 162385), (20620, 129908), (27640, 96914), (32477, 82480), (41240, 64954), (48457, 55280)]