161857320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1531}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 486440640

約数和(自身を除く): 324583320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 881, 1531, 1762, 2643, 3062, 3524, 4405, 4593, 5286, 6124, 7048, 7655, 8810, 9186, 10572, 12248, 13215, 15310, 17620, 18372, 21144, 22965, 26430, 30620, 35240, 36744, 45930, 52860, 61240, 91860, 105720, 183720, 1348811, 2697622, 4046433, 5395244, 6744055, 8092866, 10790488, 13488110, 16185732, 20232165, 26976220, 32371464, 40464330, 53952440, 80928660, 161857320]

約数ペア:

[(1, 161857320), (2, 80928660), (3, 53952440), (4, 40464330), (5, 32371464), (6, 26976220), (8, 20232165), (10, 16185732), (12, 13488110), (15, 10790488), (20, 8092866), (24, 6744055), (30, 5395244), (40, 4046433), (60, 2697622), (120, 1348811), (881, 183720), (1531, 105720), (1762, 91860), (2643, 61240), (3062, 52860), (3524, 45930), (4405, 36744), (4593, 35240), (5286, 30620), (6124, 26430), (7048, 22965), (7655, 21144), (8810, 18372), (9186, 17620), (10572, 15310), (12248, 13215)]