15551840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 38292912

約数和(自身を除く): 22741072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 71, 74, 80, 142, 148, 160, 185, 284, 296, 355, 370, 568, 592, 710, 740, 1136, 1184, 1369, 1420, 1480, 2272, 2627, 2738, 2840, 2960, 5254, 5476, 5680, 5920, 6845, 10508, 10952, 11360, 13135, 13690, 21016, 21904, 26270, 27380, 42032, 43808, 52540, 54760, 84064, 97199, 105080, 109520, 194398, 210160, 219040, 388796, 420320, 485995, 777592, 971990, 1555184, 1943980, 3110368, 3887960, 7775920, 15551840]

約数ペア:

[(1, 15551840), (2, 7775920), (4, 3887960), (5, 3110368), (8, 1943980), (10, 1555184), (16, 971990), (20, 777592), (32, 485995), (37, 420320), (40, 388796), (71, 219040), (74, 210160), (80, 194398), (142, 109520), (148, 105080), (160, 97199), (185, 84064), (284, 54760), (296, 52540), (355, 43808), (370, 42032), (568, 27380), (592, 26270), (710, 21904), (740, 21016), (1136, 13690), (1184, 13135), (1369, 11360), (1420, 10952), (1480, 10508), (2272, 6845), (2627, 5920), (2738, 5680), (2840, 5476), (2960, 5254)]