64493040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268721}}^1$

素因数の和:268737

約数の個数: 40

約数和(自身を含む): 199929168

約数和(自身を除く): 135436128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268721, 537442, 806163, 1074884, 1343605, 1612326, 2149768, 2687210, 3224652, 4030815, 4299536, 5374420, 6449304, 8061630, 10748840, 12898608, 16123260, 21497680, 32246520, 64493040]

約数ペア:

[(1, 64493040), (2, 32246520), (3, 21497680), (4, 16123260), (5, 12898608), (6, 10748840), (8, 8061630), (10, 6449304), (12, 5374420), (15, 4299536), (16, 4030815), (20, 3224652), (24, 2687210), (30, 2149768), (40, 1612326), (48, 1343605), (60, 1074884), (80, 806163), (120, 537442), (240, 268721)]