1680846545

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 2437972992

約数和(自身を除く): 757126447

約数列:

[1, 5, 7, 35, 37, 71, 101, 181, 185, 259, 355, 497, 505, 707, 905, 1267, 1295, 2485, 2627, 3535, 3737, 6335, 6697, 7171, 12851, 13135, 18281, 18389, 18685, 26159, 33485, 35855, 46879, 50197, 64255, 89957, 91405, 91945, 127967, 130795, 234395, 250985, 265327, 449785, 475487, 639835, 676397, 1297951, 1326635, 1857289, 2377435, 3328409, 3381985, 4734779, 6489755, 9085657, 9286445, 16642045, 23673895, 45428285, 48024187, 240120935, 336169309, 1680846545]

約数ペア:

[(1, 1680846545), (5, 336169309), (7, 240120935), (35, 48024187), (37, 45428285), (71, 23673895), (101, 16642045), (181, 9286445), (185, 9085657), (259, 6489755), (355, 4734779), (497, 3381985), (505, 3328409), (707, 2377435), (905, 1857289), (1267, 1326635), (1295, 1297951), (2485, 676397), (2627, 639835), (3535, 475487), (3737, 449785), (6335, 265327), (6697, 250985), (7171, 234395), (12851, 130795), (13135, 127967), (18281, 91945), (18389, 91405), (18685, 89957), (26159, 64255), (33485, 50197), (35855, 46879)]