72371720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 174960000

約数和(自身を除く): 102588280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 1499, 2414, 2840, 2998, 4828, 5996, 6035, 7495, 9656, 11992, 12070, 14990, 24140, 25483, 29980, 48280, 50966, 59960, 101932, 106429, 127415, 203864, 212858, 254830, 425716, 509660, 532145, 851432, 1019320, 1064290, 1809293, 2128580, 3618586, 4257160, 7237172, 9046465, 14474344, 18092930, 36185860, 72371720]

約数ペア:

[(1, 72371720), (2, 36185860), (4, 18092930), (5, 14474344), (8, 9046465), (10, 7237172), (17, 4257160), (20, 3618586), (34, 2128580), (40, 1809293), (68, 1064290), (71, 1019320), (85, 851432), (136, 532145), (142, 509660), (170, 425716), (284, 254830), (340, 212858), (355, 203864), (568, 127415), (680, 106429), (710, 101932), (1207, 59960), (1420, 50966), (1499, 48280), (2414, 29980), (2840, 25483), (2998, 24140), (4828, 14990), (5996, 12070), (6035, 11992), (7495, 9656)]