118371920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 284981760

約数和(自身を除く): 166609840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 151, 164, 205, 239, 302, 328, 410, 478, 604, 656, 755, 820, 956, 1195, 1208, 1510, 1640, 1912, 2390, 2416, 3020, 3280, 3824, 4780, 6040, 6191, 9560, 9799, 12080, 12382, 19120, 19598, 24764, 30955, 36089, 39196, 48995, 49528, 61910, 72178, 78392, 97990, 99056, 123820, 144356, 156784, 180445, 195980, 247640, 288712, 360890, 391960, 495280, 577424, 721780, 783920, 1443560, 1479649, 2887120, 2959298, 5918596, 7398245, 11837192, 14796490, 23674384, 29592980, 59185960, 118371920]

約数ペア:

[(1, 118371920), (2, 59185960), (4, 29592980), (5, 23674384), (8, 14796490), (10, 11837192), (16, 7398245), (20, 5918596), (40, 2959298), (41, 2887120), (80, 1479649), (82, 1443560), (151, 783920), (164, 721780), (205, 577424), (239, 495280), (302, 391960), (328, 360890), (410, 288712), (478, 247640), (604, 195980), (656, 180445), (755, 156784), (820, 144356), (956, 123820), (1195, 99056), (1208, 97990), (1510, 78392), (1640, 72178), (1912, 61910), (2390, 49528), (2416, 48995), (3020, 39196), (3280, 36089), (3824, 30955), (4780, 24764), (6040, 19598), (6191, 19120), (9560, 12382), (9799, 12080)]