405946920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13163}}^1$

素因数の和:13434

約数の個数: 64

約数和(自身を含む): 1222672320

約数和(自身を除く): 816725400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 13163, 15420, 26326, 30840, 39489, 52652, 65815, 78978, 105304, 131630, 157956, 197445, 263260, 315912, 394890, 526520, 789780, 1579560, 3382891, 6765782, 10148673, 13531564, 16914455, 20297346, 27063128, 33828910, 40594692, 50743365, 67657820, 81189384, 101486730, 135315640, 202973460, 405946920]

約数ペア:

[(1, 405946920), (2, 202973460), (3, 135315640), (4, 101486730), (5, 81189384), (6, 67657820), (8, 50743365), (10, 40594692), (12, 33828910), (15, 27063128), (20, 20297346), (24, 16914455), (30, 13531564), (40, 10148673), (60, 6765782), (120, 3382891), (257, 1579560), (514, 789780), (771, 526520), (1028, 394890), (1285, 315912), (1542, 263260), (2056, 197445), (2570, 157956), (3084, 131630), (3855, 105304), (5140, 78978), (6168, 65815), (7710, 52652), (10280, 39489), (13163, 30840), (15420, 26326)]