164536720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70921}}^1$

素因数の和:70963

約数の個数: 40

約数和(自身を含む): 395744760

約数和(自身を除く): 231208040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 70921, 141842, 283684, 354605, 567368, 709210, 1134736, 1418420, 2056709, 2836840, 4113418, 5673680, 8226836, 10283545, 16453672, 20567090, 32907344, 41134180, 82268360, 164536720]

約数ペア:

[(1, 164536720), (2, 82268360), (4, 41134180), (5, 32907344), (8, 20567090), (10, 16453672), (16, 10283545), (20, 8226836), (29, 5673680), (40, 4113418), (58, 2836840), (80, 2056709), (116, 1418420), (145, 1134736), (232, 709210), (290, 567368), (464, 354605), (580, 283684), (1160, 141842), (2320, 70921)]