831718880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17987}}^1$

素因数の和:18036

約数の個数: 72

約数和(自身を含む): 2087435448

約数和(自身を除く): 1255716568

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, 2312, 2720, 2890, 4624, 5780, 9248, 11560, 17987, 23120, 35974, 46240, 71948, 89935, 143896, 179870, 287792, 305779, 359740, 575584, 611558, 719480, 1223116, 1438960, 1528895, 2446232, 2877920, 3057790, 4892464, 5198243, 6115580, 9784928, 10396486, 12231160, 20792972, 24462320, 25991215, 41585944, 48924640, 51982430, 83171888, 103964860, 166343776, 207929720, 415859440, 831718880]

約数ペア:

[(1, 831718880), (2, 415859440), (4, 207929720), (5, 166343776), (8, 103964860), (10, 83171888), (16, 51982430), (17, 48924640), (20, 41585944), (32, 25991215), (34, 24462320), (40, 20792972), (68, 12231160), (80, 10396486), (85, 9784928), (136, 6115580), (160, 5198243), (170, 4892464), (272, 3057790), (289, 2877920), (340, 2446232), (544, 1528895), (578, 1438960), (680, 1223116), (1156, 719480), (1360, 611558), (1445, 575584), (2312, 359740), (2720, 305779), (2890, 287792), (4624, 179870), (5780, 143896), (9248, 89935), (11560, 71948), (17987, 46240), (23120, 35974)]