31953840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 99684096

約数和(自身を除く): 67730256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 631, 633, 844, 1055, 1262, 1266, 1688, 1893, 2110, 2524, 2532, 3155, 3165, 3376, 3786, 4220, 5048, 5064, 6310, 6330, 7572, 8440, 9465, 10096, 10128, 12620, 12660, 15144, 16880, 18930, 25240, 25320, 30288, 37860, 50480, 50640, 75720, 133141, 151440, 266282, 399423, 532564, 665705, 798846, 1065128, 1331410, 1597692, 1997115, 2130256, 2662820, 3195384, 3994230, 5325640, 6390768, 7988460, 10651280, 15976920, 31953840]

約数ペア:

[(1, 31953840), (2, 15976920), (3, 10651280), (4, 7988460), (5, 6390768), (6, 5325640), (8, 3994230), (10, 3195384), (12, 2662820), (15, 2130256), (16, 1997115), (20, 1597692), (24, 1331410), (30, 1065128), (40, 798846), (48, 665705), (60, 532564), (80, 399423), (120, 266282), (211, 151440), (240, 133141), (422, 75720), (631, 50640), (633, 50480), (844, 37860), (1055, 30288), (1262, 25320), (1266, 25240), (1688, 18930), (1893, 16880), (2110, 15144), (2524, 12660), (2532, 12620), (3155, 10128), (3165, 10096), (3376, 9465), (3786, 8440), (4220, 7572), (5048, 6330), (5064, 6310)]