72108140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1031}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 91732180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1031, 1076, 1345, 2062, 2690, 3497, 4124, 5155, 5380, 6994, 10310, 13403, 13988, 17485, 20620, 26806, 34970, 53612, 67015, 69940, 134030, 268060, 277339, 554678, 1109356, 1386695, 2773390, 3605407, 5546780, 7210814, 14421628, 18027035, 36054070, 72108140]

約数ペア:

[(1, 72108140), (2, 36054070), (4, 18027035), (5, 14421628), (10, 7210814), (13, 5546780), (20, 3605407), (26, 2773390), (52, 1386695), (65, 1109356), (130, 554678), (260, 277339), (269, 268060), (538, 134030), (1031, 69940), (1076, 67015), (1345, 53612), (2062, 34970), (2690, 26806), (3497, 20620), (4124, 17485), (5155, 13988), (5380, 13403), (6994, 10310)]