156612680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1787}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 404231040

約数和(自身を除く): 247618360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 1252, 1565, 1787, 2191, 2504, 3130, 3574, 4382, 6260, 7148, 8764, 8935, 10955, 12509, 12520, 14296, 17528, 17870, 21910, 25018, 35740, 43820, 50036, 62545, 71480, 87640, 100072, 125090, 250180, 500360, 559331, 1118662, 2237324, 2796655, 3915317, 4474648, 5593310, 7830634, 11186620, 15661268, 19576585, 22373240, 31322536, 39153170, 78306340, 156612680]

約数ペア:

[(1, 156612680), (2, 78306340), (4, 39153170), (5, 31322536), (7, 22373240), (8, 19576585), (10, 15661268), (14, 11186620), (20, 7830634), (28, 5593310), (35, 4474648), (40, 3915317), (56, 2796655), (70, 2237324), (140, 1118662), (280, 559331), (313, 500360), (626, 250180), (1252, 125090), (1565, 100072), (1787, 87640), (2191, 71480), (2504, 62545), (3130, 50036), (3574, 43820), (4382, 35740), (6260, 25018), (7148, 21910), (8764, 17870), (8935, 17528), (10955, 14296), (12509, 12520)]