71326840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 175291200

約数和(自身を除く): 103964360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1879, 1898, 2920, 3758, 3796, 4745, 7516, 7592, 9395, 9490, 15032, 18790, 18980, 24427, 37580, 37960, 48854, 75160, 97708, 122135, 137167, 195416, 244270, 274334, 488540, 548668, 685835, 977080, 1097336, 1371670, 1783171, 2743340, 3566342, 5486680, 7132684, 8915855, 14265368, 17831710, 35663420, 71326840]

約数ペア:

[(1, 71326840), (2, 35663420), (4, 17831710), (5, 14265368), (8, 8915855), (10, 7132684), (13, 5486680), (20, 3566342), (26, 2743340), (40, 1783171), (52, 1371670), (65, 1097336), (73, 977080), (104, 685835), (130, 548668), (146, 488540), (260, 274334), (292, 244270), (365, 195416), (520, 137167), (584, 122135), (730, 97708), (949, 75160), (1460, 48854), (1879, 37960), (1898, 37580), (2920, 24427), (3758, 18980), (3796, 18790), (4745, 15032), (7516, 9490), (7592, 9395)]