64805360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2803}}^1$

素因数の和:2850

約数の個数: 60

約数和(自身を含む): 160114008

約数和(自身を除く): 95308648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2803, 2890, 4624, 5606, 5780, 11212, 11560, 14015, 22424, 23120, 28030, 44848, 47651, 56060, 95302, 112120, 190604, 224240, 238255, 381208, 476510, 762416, 810067, 953020, 1620134, 1906040, 3240268, 3812080, 4050335, 6480536, 8100670, 12961072, 16201340, 32402680, 64805360]

約数ペア:

[(1, 64805360), (2, 32402680), (4, 16201340), (5, 12961072), (8, 8100670), (10, 6480536), (16, 4050335), (17, 3812080), (20, 3240268), (34, 1906040), (40, 1620134), (68, 953020), (80, 810067), (85, 762416), (136, 476510), (170, 381208), (272, 238255), (289, 224240), (340, 190604), (578, 112120), (680, 95302), (1156, 56060), (1360, 47651), (1445, 44848), (2312, 28030), (2803, 23120), (2890, 22424), (4624, 14015), (5606, 11560), (5780, 11212)]