68851360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1489}}^1$

素因数の和:1538

約数の個数: 72

約数和(自身を含む): 172908540

約数和(自身を除く): 104057180

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1489, 2312, 2720, 2890, 2978, 4624, 5780, 5956, 7445, 9248, 11560, 11912, 14890, 23120, 23824, 25313, 29780, 46240, 47648, 50626, 59560, 101252, 119120, 126565, 202504, 238240, 253130, 405008, 430321, 506260, 810016, 860642, 1012520, 1721284, 2025040, 2151605, 3442568, 4050080, 4303210, 6885136, 8606420, 13770272, 17212840, 34425680, 68851360]

約数ペア:

[(1, 68851360), (2, 34425680), (4, 17212840), (5, 13770272), (8, 8606420), (10, 6885136), (16, 4303210), (17, 4050080), (20, 3442568), (32, 2151605), (34, 2025040), (40, 1721284), (68, 1012520), (80, 860642), (85, 810016), (136, 506260), (160, 430321), (170, 405008), (272, 253130), (289, 238240), (340, 202504), (544, 126565), (578, 119120), (680, 101252), (1156, 59560), (1360, 50626), (1445, 47648), (1489, 46240), (2312, 29780), (2720, 25313), (2890, 23824), (2978, 23120), (4624, 14890), (5780, 11912), (5956, 11560), (7445, 9248)]