80677960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 203011200

約数和(自身を除く): 122333240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 121, 158, 211, 220, 242, 316, 395, 422, 440, 484, 605, 632, 790, 844, 869, 968, 1055, 1210, 1580, 1688, 1738, 2110, 2321, 2420, 3160, 3476, 4220, 4345, 4642, 4840, 6952, 8440, 8690, 9284, 9559, 11605, 16669, 17380, 18568, 19118, 23210, 25531, 33338, 34760, 38236, 46420, 47795, 51062, 66676, 76472, 83345, 92840, 95590, 102124, 127655, 133352, 166690, 183359, 191180, 204248, 255310, 333380, 366718, 382360, 510620, 666760, 733436, 916795, 1021240, 1466872, 1833590, 2016949, 3667180, 4033898, 7334360, 8067796, 10084745, 16135592, 20169490, 40338980, 80677960]

約数ペア:

[(1, 80677960), (2, 40338980), (4, 20169490), (5, 16135592), (8, 10084745), (10, 8067796), (11, 7334360), (20, 4033898), (22, 3667180), (40, 2016949), (44, 1833590), (55, 1466872), (79, 1021240), (88, 916795), (110, 733436), (121, 666760), (158, 510620), (211, 382360), (220, 366718), (242, 333380), (316, 255310), (395, 204248), (422, 191180), (440, 183359), (484, 166690), (605, 133352), (632, 127655), (790, 102124), (844, 95590), (869, 92840), (968, 83345), (1055, 76472), (1210, 66676), (1580, 51062), (1688, 47795), (1738, 46420), (2110, 38236), (2321, 34760), (2420, 33338), (3160, 25531), (3476, 23210), (4220, 19118), (4345, 18568), (4642, 17380), (4840, 16669), (6952, 11605), (8440, 9559), (8690, 9284)]