64816360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2789}}^1$

素因数の和:2890

約数の個数: 64

約数和(自身を含む): 168739200

約数和(自身を除く): 103922840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2789, 2905, 3320, 4648, 5578, 5810, 11156, 11620, 13945, 19523, 22312, 23240, 27890, 39046, 55780, 78092, 97615, 111560, 156184, 195230, 231487, 390460, 462974, 780920, 925948, 1157435, 1620409, 1851896, 2314870, 3240818, 4629740, 6481636, 8102045, 9259480, 12963272, 16204090, 32408180, 64816360]

約数ペア:

[(1, 64816360), (2, 32408180), (4, 16204090), (5, 12963272), (7, 9259480), (8, 8102045), (10, 6481636), (14, 4629740), (20, 3240818), (28, 2314870), (35, 1851896), (40, 1620409), (56, 1157435), (70, 925948), (83, 780920), (140, 462974), (166, 390460), (280, 231487), (332, 195230), (415, 156184), (581, 111560), (664, 97615), (830, 78092), (1162, 55780), (1660, 39046), (2324, 27890), (2789, 23240), (2905, 22312), (3320, 19523), (4648, 13945), (5578, 11620), (5810, 11156)]