2168321680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{9467}}^1$

素因数の和:9896

約数の個数: 80

約数和(自身を含む): 5776237440

約数和(自身を除く): 3607915760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 818, 1636, 2045, 2863, 3272, 4090, 5726, 6544, 8180, 9467, 11452, 14315, 16360, 18934, 22904, 28630, 32720, 37868, 45808, 47335, 57260, 66269, 75736, 94670, 114520, 132538, 151472, 189340, 229040, 265076, 331345, 378680, 530152, 662690, 757360, 1060304, 1325380, 2650760, 3872003, 5301520, 7744006, 15488012, 19360015, 27104021, 30976024, 38720030, 54208042, 61952048, 77440060, 108416084, 135520105, 154880120, 216832168, 271040210, 309760240, 433664336, 542080420, 1084160840, 2168321680]

約数ペア:

[(1, 2168321680), (2, 1084160840), (4, 542080420), (5, 433664336), (7, 309760240), (8, 271040210), (10, 216832168), (14, 154880120), (16, 135520105), (20, 108416084), (28, 77440060), (35, 61952048), (40, 54208042), (56, 38720030), (70, 30976024), (80, 27104021), (112, 19360015), (140, 15488012), (280, 7744006), (409, 5301520), (560, 3872003), (818, 2650760), (1636, 1325380), (2045, 1060304), (2863, 757360), (3272, 662690), (4090, 530152), (5726, 378680), (6544, 331345), (8180, 265076), (9467, 229040), (11452, 189340), (14315, 151472), (16360, 132538), (18934, 114520), (22904, 94670), (28630, 75736), (32720, 66269), (37868, 57260), (45808, 47335)]