64543160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^2$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 158838840

約数和(自身を除く): 94295680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 440, 766, 1532, 1915, 3064, 3830, 4213, 7660, 8426, 15320, 16852, 21065, 33704, 42130, 84260, 146689, 168520, 293378, 586756, 733445, 1173512, 1466890, 1613579, 2933780, 3227158, 5867560, 6454316, 8067895, 12908632, 16135790, 32271580, 64543160]

約数ペア:

[(1, 64543160), (2, 32271580), (4, 16135790), (5, 12908632), (8, 8067895), (10, 6454316), (11, 5867560), (20, 3227158), (22, 2933780), (40, 1613579), (44, 1466890), (55, 1173512), (88, 733445), (110, 586756), (220, 293378), (383, 168520), (440, 146689), (766, 84260), (1532, 42130), (1915, 33704), (3064, 21065), (3830, 16852), (4213, 15320), (7660, 8426)]