31166840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 77068800

約数和(自身を除く): 45901960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 1783, 2185, 3496, 3566, 4370, 7132, 8740, 8915, 14264, 17480, 17830, 33877, 35660, 41009, 67754, 71320, 82018, 135508, 164036, 169385, 205045, 271016, 328072, 338770, 410090, 677540, 779171, 820180, 1355080, 1558342, 1640360, 3116684, 3895855, 6233368, 7791710, 15583420, 31166840]

約数ペア:

[(1, 31166840), (2, 15583420), (4, 7791710), (5, 6233368), (8, 3895855), (10, 3116684), (19, 1640360), (20, 1558342), (23, 1355080), (38, 820180), (40, 779171), (46, 677540), (76, 410090), (92, 338770), (95, 328072), (115, 271016), (152, 205045), (184, 169385), (190, 164036), (230, 135508), (380, 82018), (437, 71320), (460, 67754), (760, 41009), (874, 35660), (920, 33877), (1748, 17830), (1783, 17480), (2185, 14264), (3496, 8915), (3566, 8740), (4370, 7132)]