71665620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 217983360

約数和(自身を除く): 146317740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 661, 695, 780, 834, 1322, 1390, 1668, 1807, 1983, 2085, 2644, 2780, 3305, 3614, 3966, 4170, 5421, 6610, 7228, 7932, 8340, 8593, 9035, 9915, 10842, 13220, 17186, 18070, 19830, 21684, 25779, 27105, 34372, 36140, 39660, 42965, 51558, 54210, 85930, 91879, 103116, 108420, 128895, 171860, 183758, 257790, 275637, 367516, 459395, 515580, 551274, 918790, 1102548, 1194427, 1378185, 1837580, 2388854, 2756370, 3583281, 4777708, 5512740, 5972135, 7166562, 11944270, 14333124, 17916405, 23888540, 35832810, 71665620]

約数ペア:

[(1, 71665620), (2, 35832810), (3, 23888540), (4, 17916405), (5, 14333124), (6, 11944270), (10, 7166562), (12, 5972135), (13, 5512740), (15, 4777708), (20, 3583281), (26, 2756370), (30, 2388854), (39, 1837580), (52, 1378185), (60, 1194427), (65, 1102548), (78, 918790), (130, 551274), (139, 515580), (156, 459395), (195, 367516), (260, 275637), (278, 257790), (390, 183758), (417, 171860), (556, 128895), (661, 108420), (695, 103116), (780, 91879), (834, 85930), (1322, 54210), (1390, 51558), (1668, 42965), (1807, 39660), (1983, 36140), (2085, 34372), (2644, 27105), (2780, 25779), (3305, 21684), (3614, 19830), (3966, 18070), (4170, 17186), (5421, 13220), (6610, 10842), (7228, 9915), (7932, 9035), (8340, 8593)]