42427280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 113564160

約数和(自身を除く): 71136880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 317, 478, 560, 634, 956, 1195, 1268, 1585, 1673, 1912, 2219, 2390, 2536, 3170, 3346, 3824, 4438, 4780, 5072, 6340, 6692, 8365, 8876, 9560, 11095, 12680, 13384, 16730, 17752, 19120, 22190, 25360, 26768, 33460, 35504, 44380, 66920, 75763, 88760, 133840, 151526, 177520, 303052, 378815, 530341, 606104, 757630, 1060682, 1212208, 1515260, 2121364, 2651705, 3030520, 4242728, 5303410, 6061040, 8485456, 10606820, 21213640, 42427280]

約数ペア:

[(1, 42427280), (2, 21213640), (4, 10606820), (5, 8485456), (7, 6061040), (8, 5303410), (10, 4242728), (14, 3030520), (16, 2651705), (20, 2121364), (28, 1515260), (35, 1212208), (40, 1060682), (56, 757630), (70, 606104), (80, 530341), (112, 378815), (140, 303052), (239, 177520), (280, 151526), (317, 133840), (478, 88760), (560, 75763), (634, 66920), (956, 44380), (1195, 35504), (1268, 33460), (1585, 26768), (1673, 25360), (1912, 22190), (2219, 19120), (2390, 17752), (2536, 16730), (3170, 13384), (3346, 12680), (3824, 11095), (4438, 9560), (4780, 8876), (5072, 8365), (6340, 6692)]