1818172880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{3671}}^1$

素因数の和:3876

約数の個数: 80

約数和(自身を含む): 4360220928

約数和(自身を除く): 2542048048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 151, 164, 205, 302, 328, 410, 604, 656, 755, 820, 1208, 1510, 1640, 2416, 3020, 3280, 3671, 6040, 6191, 7342, 12080, 12382, 14684, 18355, 24764, 29368, 30955, 36710, 49528, 58736, 61910, 73420, 99056, 123820, 146840, 150511, 247640, 293680, 301022, 495280, 554321, 602044, 752555, 1108642, 1204088, 1505110, 2217284, 2408176, 2771605, 3010220, 4434568, 5543210, 6020440, 8869136, 11086420, 12040880, 22172840, 22727161, 44345680, 45454322, 90908644, 113635805, 181817288, 227271610, 363634576, 454543220, 909086440, 1818172880]

約数ペア:

[(1, 1818172880), (2, 909086440), (4, 454543220), (5, 363634576), (8, 227271610), (10, 181817288), (16, 113635805), (20, 90908644), (40, 45454322), (41, 44345680), (80, 22727161), (82, 22172840), (151, 12040880), (164, 11086420), (205, 8869136), (302, 6020440), (328, 5543210), (410, 4434568), (604, 3010220), (656, 2771605), (755, 2408176), (820, 2217284), (1208, 1505110), (1510, 1204088), (1640, 1108642), (2416, 752555), (3020, 602044), (3280, 554321), (3671, 495280), (6040, 301022), (6191, 293680), (7342, 247640), (12080, 150511), (12382, 146840), (14684, 123820), (18355, 99056), (24764, 73420), (29368, 61910), (30955, 58736), (36710, 49528)]