68356240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 168132096

約数和(自身を除く): 99775856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 641, 688, 860, 1240, 1282, 1333, 1720, 2480, 2564, 2666, 3205, 3440, 5128, 5332, 6410, 6665, 10256, 10664, 12820, 13330, 19871, 21328, 25640, 26660, 27563, 39742, 51280, 53320, 55126, 79484, 99355, 106640, 110252, 137815, 158968, 198710, 220504, 275630, 317936, 397420, 441008, 551260, 794840, 854453, 1102520, 1589680, 1708906, 2205040, 3417812, 4272265, 6835624, 8544530, 13671248, 17089060, 34178120, 68356240]

約数ペア:

[(1, 68356240), (2, 34178120), (4, 17089060), (5, 13671248), (8, 8544530), (10, 6835624), (16, 4272265), (20, 3417812), (31, 2205040), (40, 1708906), (43, 1589680), (62, 1102520), (80, 854453), (86, 794840), (124, 551260), (155, 441008), (172, 397420), (215, 317936), (248, 275630), (310, 220504), (344, 198710), (430, 158968), (496, 137815), (620, 110252), (641, 106640), (688, 99355), (860, 79484), (1240, 55126), (1282, 53320), (1333, 51280), (1720, 39742), (2480, 27563), (2564, 26660), (2666, 25640), (3205, 21328), (3440, 19871), (5128, 13330), (5332, 12820), (6410, 10664), (6665, 10256)]