81258480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112859}}^1$

素因数の和:112878

約数の個数: 60

約数和(自身を含む): 272895480

約数和(自身を除く): 191637000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112859, 225718, 338577, 451436, 564295, 677154, 902872, 1015731, 1128590, 1354308, 1692885, 1805744, 2031462, 2257180, 2708616, 3385770, 4062924, 4514360, 5078655, 5417232, 6771540, 8125848, 9028720, 10157310, 13543080, 16251696, 20314620, 27086160, 40629240, 81258480]

約数ペア:

[(1, 81258480), (2, 40629240), (3, 27086160), (4, 20314620), (5, 16251696), (6, 13543080), (8, 10157310), (9, 9028720), (10, 8125848), (12, 6771540), (15, 5417232), (16, 5078655), (18, 4514360), (20, 4062924), (24, 3385770), (30, 2708616), (36, 2257180), (40, 2031462), (45, 1805744), (48, 1692885), (60, 1354308), (72, 1128590), (80, 1015731), (90, 902872), (120, 677154), (144, 564295), (180, 451436), (240, 338577), (360, 225718), (720, 112859)]