81267280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1588

約数の個数: 80

約数和(自身を含む): 204094080

約数和(自身を除く): 122826800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 580, 667, 920, 1160, 1334, 1523, 1840, 2320, 2668, 3046, 3335, 5336, 6092, 6670, 7615, 10672, 12184, 13340, 15230, 24368, 26680, 30460, 35029, 44167, 53360, 60920, 70058, 88334, 121840, 140116, 175145, 176668, 220835, 280232, 350290, 353336, 441670, 560464, 700580, 706672, 883340, 1015841, 1401160, 1766680, 2031682, 2802320, 3533360, 4063364, 5079205, 8126728, 10158410, 16253456, 20316820, 40633640, 81267280]

約数ペア:

[(1, 81267280), (2, 40633640), (4, 20316820), (5, 16253456), (8, 10158410), (10, 8126728), (16, 5079205), (20, 4063364), (23, 3533360), (29, 2802320), (40, 2031682), (46, 1766680), (58, 1401160), (80, 1015841), (92, 883340), (115, 706672), (116, 700580), (145, 560464), (184, 441670), (230, 353336), (232, 350290), (290, 280232), (368, 220835), (460, 176668), (464, 175145), (580, 140116), (667, 121840), (920, 88334), (1160, 70058), (1334, 60920), (1523, 53360), (1840, 44167), (2320, 35029), (2668, 30460), (3046, 26680), (3335, 24368), (5336, 15230), (6092, 13340), (6670, 12184), (7615, 10672)]