105681680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 266274624

約数和(自身を除く): 160592944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 307, 331, 520, 614, 662, 1040, 1228, 1324, 1535, 1655, 2456, 2648, 3070, 3310, 3991, 4303, 4912, 5296, 6140, 6620, 7982, 8606, 12280, 13240, 15964, 17212, 19955, 21515, 24560, 26480, 31928, 34424, 39910, 43030, 63856, 68848, 79820, 86060, 101617, 159640, 172120, 203234, 319280, 344240, 406468, 508085, 812936, 1016170, 1321021, 1625872, 2032340, 2642042, 4064680, 5284084, 6605105, 8129360, 10568168, 13210210, 21136336, 26420420, 52840840, 105681680]

約数ペア:

[(1, 105681680), (2, 52840840), (4, 26420420), (5, 21136336), (8, 13210210), (10, 10568168), (13, 8129360), (16, 6605105), (20, 5284084), (26, 4064680), (40, 2642042), (52, 2032340), (65, 1625872), (80, 1321021), (104, 1016170), (130, 812936), (208, 508085), (260, 406468), (307, 344240), (331, 319280), (520, 203234), (614, 172120), (662, 159640), (1040, 101617), (1228, 86060), (1324, 79820), (1535, 68848), (1655, 63856), (2456, 43030), (2648, 39910), (3070, 34424), (3310, 31928), (3991, 26480), (4303, 24560), (4912, 21515), (5296, 19955), (6140, 17212), (6620, 15964), (7982, 13240), (8606, 12280)]