221467440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{922781}}^1$

素因数の和:922797

約数の個数: 40

約数和(自身を含む): 686549808

約数和(自身を除く): 465082368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 922781, 1845562, 2768343, 3691124, 4613905, 5536686, 7382248, 9227810, 11073372, 13841715, 14764496, 18455620, 22146744, 27683430, 36911240, 44293488, 55366860, 73822480, 110733720, 221467440]

約数ペア:

[(1, 221467440), (2, 110733720), (3, 73822480), (4, 55366860), (5, 44293488), (6, 36911240), (8, 27683430), (10, 22146744), (12, 18455620), (15, 14764496), (16, 13841715), (20, 11073372), (24, 9227810), (30, 7382248), (40, 5536686), (48, 4613905), (60, 3691124), (80, 2768343), (120, 1845562), (240, 922781)]