87488820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15679}}^1$

素因数の和:15725

約数の個数: 72

約数和(自身を含む): 273960960

約数和(自身を除く): 186472140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15679, 31358, 47037, 62716, 78395, 94074, 141111, 156790, 188148, 235185, 282222, 313580, 470370, 486049, 564444, 705555, 940740, 972098, 1411110, 1458147, 1944196, 2430245, 2822220, 2916294, 4374441, 4860490, 5832588, 7290735, 8748882, 9720980, 14581470, 17497764, 21872205, 29162940, 43744410, 87488820]

約数ペア:

[(1, 87488820), (2, 43744410), (3, 29162940), (4, 21872205), (5, 17497764), (6, 14581470), (9, 9720980), (10, 8748882), (12, 7290735), (15, 5832588), (18, 4860490), (20, 4374441), (30, 2916294), (31, 2822220), (36, 2430245), (45, 1944196), (60, 1458147), (62, 1411110), (90, 972098), (93, 940740), (124, 705555), (155, 564444), (180, 486049), (186, 470370), (279, 313580), (310, 282222), (372, 235185), (465, 188148), (558, 156790), (620, 141111), (930, 94074), (1116, 78395), (1395, 62716), (1860, 47037), (2790, 31358), (5580, 15679)]