105781520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2812

約数の個数: 80

約数和(自身を含む): 272118000

約数和(自身を除く): 166336480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2749, 2960, 3848, 4810, 5498, 7696, 9620, 10996, 13745, 19240, 21992, 27490, 35737, 38480, 43984, 54980, 71474, 101713, 109960, 142948, 178685, 203426, 219920, 285896, 357370, 406852, 508565, 571792, 714740, 813704, 1017130, 1322269, 1429480, 1627408, 2034260, 2644538, 2858960, 4068520, 5289076, 6611345, 8137040, 10578152, 13222690, 21156304, 26445380, 52890760, 105781520]

約数ペア:

[(1, 105781520), (2, 52890760), (4, 26445380), (5, 21156304), (8, 13222690), (10, 10578152), (13, 8137040), (16, 6611345), (20, 5289076), (26, 4068520), (37, 2858960), (40, 2644538), (52, 2034260), (65, 1627408), (74, 1429480), (80, 1322269), (104, 1017130), (130, 813704), (148, 714740), (185, 571792), (208, 508565), (260, 406852), (296, 357370), (370, 285896), (481, 219920), (520, 203426), (592, 178685), (740, 142948), (962, 109960), (1040, 101713), (1480, 71474), (1924, 54980), (2405, 43984), (2749, 38480), (2960, 35737), (3848, 27490), (4810, 21992), (5498, 19240), (7696, 13745), (9620, 10996)]