261782520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{13063}}^1$

素因数の和:13244

約数の個数: 64

約数和(自身を含む): 790110720

約数和(自身を除く): 528328200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 1002, 1336, 1670, 2004, 2505, 3340, 4008, 5010, 6680, 10020, 13063, 20040, 26126, 39189, 52252, 65315, 78378, 104504, 130630, 156756, 195945, 261260, 313512, 391890, 522520, 783780, 1567560, 2181521, 4363042, 6544563, 8726084, 10907605, 13089126, 17452168, 21815210, 26178252, 32722815, 43630420, 52356504, 65445630, 87260840, 130891260, 261782520]

約数ペア:

[(1, 261782520), (2, 130891260), (3, 87260840), (4, 65445630), (5, 52356504), (6, 43630420), (8, 32722815), (10, 26178252), (12, 21815210), (15, 17452168), (20, 13089126), (24, 10907605), (30, 8726084), (40, 6544563), (60, 4363042), (120, 2181521), (167, 1567560), (334, 783780), (501, 522520), (668, 391890), (835, 313512), (1002, 261260), (1336, 195945), (1670, 156756), (2004, 130630), (2505, 104504), (3340, 78378), (4008, 65315), (5010, 52252), (6680, 39189), (10020, 26126), (13063, 20040)]