31688880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 102387792

約数和(自身を除く): 70698912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 157, 174, 232, 240, 290, 314, 348, 435, 464, 471, 580, 628, 696, 785, 841, 870, 942, 1160, 1256, 1392, 1570, 1682, 1740, 1884, 2320, 2355, 2512, 2523, 3140, 3364, 3480, 3768, 4205, 4553, 4710, 5046, 6280, 6728, 6960, 7536, 8410, 9106, 9420, 10092, 12560, 12615, 13456, 13659, 16820, 18212, 18840, 20184, 22765, 25230, 27318, 33640, 36424, 37680, 40368, 45530, 50460, 54636, 67280, 68295, 72848, 91060, 100920, 109272, 132037, 136590, 182120, 201840, 218544, 264074, 273180, 364240, 396111, 528148, 546360, 660185, 792222, 1056296, 1092720, 1320370, 1584444, 1980555, 2112592, 2640740, 3168888, 3961110, 5281480, 6337776, 7922220, 10562960, 15844440, 31688880]

約数ペア:

[(1, 31688880), (2, 15844440), (3, 10562960), (4, 7922220), (5, 6337776), (6, 5281480), (8, 3961110), (10, 3168888), (12, 2640740), (15, 2112592), (16, 1980555), (20, 1584444), (24, 1320370), (29, 1092720), (30, 1056296), (40, 792222), (48, 660185), (58, 546360), (60, 528148), (80, 396111), (87, 364240), (116, 273180), (120, 264074), (145, 218544), (157, 201840), (174, 182120), (232, 136590), (240, 132037), (290, 109272), (314, 100920), (348, 91060), (435, 72848), (464, 68295), (471, 67280), (580, 54636), (628, 50460), (696, 45530), (785, 40368), (841, 37680), (870, 36424), (942, 33640), (1160, 27318), (1256, 25230), (1392, 22765), (1570, 20184), (1682, 18840), (1740, 18212), (1884, 16820), (2320, 13659), (2355, 13456), (2512, 12615), (2523, 12560), (3140, 10092), (3364, 9420), (3480, 9106), (3768, 8410), (4205, 7536), (4553, 6960), (4710, 6728), (5046, 6280)]