64704920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1291}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 167443200

約数和(自身を除く): 102738280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1291, 1432, 1790, 2506, 2582, 3580, 5012, 5164, 6265, 6455, 7160, 9037, 10024, 10328, 12530, 12910, 18074, 25060, 25820, 36148, 45185, 50120, 51640, 72296, 90370, 180740, 231089, 361480, 462178, 924356, 1155445, 1617623, 1848712, 2310890, 3235246, 4621780, 6470492, 8088115, 9243560, 12940984, 16176230, 32352460, 64704920]

約数ペア:

[(1, 64704920), (2, 32352460), (4, 16176230), (5, 12940984), (7, 9243560), (8, 8088115), (10, 6470492), (14, 4621780), (20, 3235246), (28, 2310890), (35, 1848712), (40, 1617623), (56, 1155445), (70, 924356), (140, 462178), (179, 361480), (280, 231089), (358, 180740), (716, 90370), (895, 72296), (1253, 51640), (1291, 50120), (1432, 45185), (1790, 36148), (2506, 25820), (2582, 25060), (3580, 18074), (5012, 12910), (5164, 12530), (6265, 10328), (6455, 10024), (7160, 9037)]