135814720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13691}}^1$

素因数の和:13739

約数の個数: 56

約数和(自身を含む): 333865728

約数和(自身を除く): 198051008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 13691, 27382, 54764, 68455, 109528, 136910, 219056, 273820, 424421, 438112, 547640, 848842, 876224, 1095280, 1697684, 2122105, 2190560, 3395368, 4244210, 4381120, 6790736, 8488420, 13581472, 16976840, 27162944, 33953680, 67907360, 135814720]

約数ペア:

[(1, 135814720), (2, 67907360), (4, 33953680), (5, 27162944), (8, 16976840), (10, 13581472), (16, 8488420), (20, 6790736), (31, 4381120), (32, 4244210), (40, 3395368), (62, 2190560), (64, 2122105), (80, 1697684), (124, 1095280), (155, 876224), (160, 848842), (248, 547640), (310, 438112), (320, 424421), (496, 273820), (620, 219056), (992, 136910), (1240, 109528), (1984, 68455), (2480, 54764), (4960, 27382), (9920, 13691)]