81255120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338563}}^1$

素因数の和:338579

約数の個数: 40

約数和(自身を含む): 251891616

約数和(自身を除く): 170636496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338563, 677126, 1015689, 1354252, 1692815, 2031378, 2708504, 3385630, 4062756, 5078445, 5417008, 6771260, 8125512, 10156890, 13542520, 16251024, 20313780, 27085040, 40627560, 81255120]

約数ペア:

[(1, 81255120), (2, 40627560), (3, 27085040), (4, 20313780), (5, 16251024), (6, 13542520), (8, 10156890), (10, 8125512), (12, 6771260), (15, 5417008), (16, 5078445), (20, 4062756), (24, 3385630), (30, 2708504), (40, 2031378), (48, 1692815), (60, 1354252), (80, 1015689), (120, 677126), (240, 338563)]