78289640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13687}}^1$

素因数の和:13722

約数の個数: 64

約数和(自身を含む): 206962560

約数和(自身を除く): 128672920

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, 13687, 27374, 54748, 68435, 109496, 136870, 150557, 177931, 273740, 301114, 355862, 547480, 602228, 711724, 752785, 889655, 1204456, 1423448, 1505570, 1779310, 1957241, 3011140, 3558620, 3914482, 6022280, 7117240, 7828964, 9786205, 15657928, 19572410, 39144820, 78289640]

約数ペア:

[(1, 78289640), (2, 39144820), (4, 19572410), (5, 15657928), (8, 9786205), (10, 7828964), (11, 7117240), (13, 6022280), (20, 3914482), (22, 3558620), (26, 3011140), (40, 1957241), (44, 1779310), (52, 1505570), (55, 1423448), (65, 1204456), (88, 889655), (104, 752785), (110, 711724), (130, 602228), (143, 547480), (220, 355862), (260, 301114), (286, 273740), (440, 177931), (520, 150557), (572, 136870), (715, 109496), (1144, 68435), (1430, 54748), (2860, 27374), (5720, 13687)]