64318520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 173037600

約数和(自身を除く): 108719080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 89, 116, 140, 145, 178, 203, 232, 280, 290, 356, 406, 445, 580, 623, 712, 812, 890, 1015, 1160, 1246, 1624, 1780, 2030, 2492, 2581, 3115, 3560, 4060, 4984, 5162, 6230, 7921, 8120, 10324, 12460, 12905, 15842, 18067, 20648, 24920, 25810, 31684, 36134, 39605, 51620, 55447, 63368, 72268, 79210, 90335, 103240, 110894, 144536, 158420, 180670, 221788, 229709, 277235, 316840, 361340, 443576, 459418, 554470, 722680, 918836, 1108940, 1148545, 1607963, 1837672, 2217880, 2297090, 3215926, 4594180, 6431852, 8039815, 9188360, 12863704, 16079630, 32159260, 64318520]

約数ペア:

[(1, 64318520), (2, 32159260), (4, 16079630), (5, 12863704), (7, 9188360), (8, 8039815), (10, 6431852), (14, 4594180), (20, 3215926), (28, 2297090), (29, 2217880), (35, 1837672), (40, 1607963), (56, 1148545), (58, 1108940), (70, 918836), (89, 722680), (116, 554470), (140, 459418), (145, 443576), (178, 361340), (203, 316840), (232, 277235), (280, 229709), (290, 221788), (356, 180670), (406, 158420), (445, 144536), (580, 110894), (623, 103240), (712, 90335), (812, 79210), (890, 72268), (1015, 63368), (1160, 55447), (1246, 51620), (1624, 39605), (1780, 36134), (2030, 31684), (2492, 25810), (2581, 24920), (3115, 20648), (3560, 18067), (4060, 15842), (4984, 12905), (5162, 12460), (6230, 10324), (7921, 8120)]