77431640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13537}}^1$

素因数の和:13572

約数の個数: 64

約数和(自身を含む): 204694560

約数和(自身を除く): 127262920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13537, 27074, 54148, 67685, 108296, 135370, 148907, 175981, 270740, 297814, 351962, 541480, 595628, 703924, 744535, 879905, 1191256, 1407848, 1489070, 1759810, 1935791, 2978140, 3519620, 3871582, 5956280, 7039240, 7743164, 9678955, 15486328, 19357910, 38715820, 77431640]

約数ペア:

[(1, 77431640), (2, 38715820), (4, 19357910), (5, 15486328), (8, 9678955), (10, 7743164), (11, 7039240), (13, 5956280), (20, 3871582), (22, 3519620), (26, 2978140), (40, 1935791), (44, 1759810), (52, 1489070), (55, 1407848), (65, 1191256), (88, 879905), (104, 744535), (110, 703924), (130, 595628), (143, 541480), (220, 351962), (260, 297814), (286, 270740), (440, 175981), (520, 148907), (572, 135370), (715, 108296), (1144, 67685), (1430, 54148), (2860, 27074), (5720, 13537)]