291240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{809}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 947700

約数和(自身を除く): 656460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 809, 1618, 2427, 3236, 4045, 4854, 6472, 7281, 8090, 9708, 12135, 14562, 16180, 19416, 24270, 29124, 32360, 36405, 48540, 58248, 72810, 97080, 145620, 291240]

約数ペア:

[(1, 291240), (2, 145620), (3, 97080), (4, 72810), (5, 58248), (6, 48540), (8, 36405), (9, 32360), (10, 29124), (12, 24270), (15, 19416), (18, 16180), (20, 14562), (24, 12135), (30, 9708), (36, 8090), (40, 7281), (45, 6472), (60, 4854), (72, 4045), (90, 3236), (120, 2427), (180, 1618), (360, 809)]