65261980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1613}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 166487328

約数和(自身を除く): 101225348

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 1613, 2023, 2380, 2890, 3226, 4046, 5780, 6452, 8065, 8092, 10115, 11291, 16130, 20230, 22582, 27421, 32260, 40460, 45164, 54842, 56455, 109684, 112910, 137105, 191947, 225820, 274210, 383894, 466157, 548420, 767788, 932314, 959735, 1864628, 1919470, 2330785, 3263099, 3838940, 4661570, 6526198, 9323140, 13052396, 16315495, 32630990, 65261980]

約数ペア:

[(1, 65261980), (2, 32630990), (4, 16315495), (5, 13052396), (7, 9323140), (10, 6526198), (14, 4661570), (17, 3838940), (20, 3263099), (28, 2330785), (34, 1919470), (35, 1864628), (68, 959735), (70, 932314), (85, 767788), (119, 548420), (140, 466157), (170, 383894), (238, 274210), (289, 225820), (340, 191947), (476, 137105), (578, 112910), (595, 109684), (1156, 56455), (1190, 54842), (1445, 45164), (1613, 40460), (2023, 32260), (2380, 27421), (2890, 22582), (3226, 20230), (4046, 16130), (5780, 11291), (6452, 10115), (8065, 8092)]