80164020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32587}}^1$

素因数の和:32640

約数の個数: 48

約数和(自身を含む): 229940928

約数和(自身を除く): 149776908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 32587, 65174, 97761, 130348, 162935, 195522, 325870, 391044, 488805, 651740, 977610, 1336067, 1955220, 2672134, 4008201, 5344268, 6680335, 8016402, 13360670, 16032804, 20041005, 26721340, 40082010, 80164020]

約数ペア:

[(1, 80164020), (2, 40082010), (3, 26721340), (4, 20041005), (5, 16032804), (6, 13360670), (10, 8016402), (12, 6680335), (15, 5344268), (20, 4008201), (30, 2672134), (41, 1955220), (60, 1336067), (82, 977610), (123, 651740), (164, 488805), (205, 391044), (246, 325870), (410, 195522), (492, 162935), (615, 130348), (820, 97761), (1230, 65174), (2460, 32587)]