31178640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 97368768

約数和(自身を除く): 66190128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 797, 815, 978, 1304, 1594, 1630, 1956, 2391, 2445, 2608, 3188, 3260, 3912, 3985, 4782, 4890, 6376, 6520, 7824, 7970, 9564, 9780, 11955, 12752, 13040, 15940, 19128, 19560, 23910, 31880, 38256, 39120, 47820, 63760, 95640, 129911, 191280, 259822, 389733, 519644, 649555, 779466, 1039288, 1299110, 1558932, 1948665, 2078576, 2598220, 3117864, 3897330, 5196440, 6235728, 7794660, 10392880, 15589320, 31178640]

約数ペア:

[(1, 31178640), (2, 15589320), (3, 10392880), (4, 7794660), (5, 6235728), (6, 5196440), (8, 3897330), (10, 3117864), (12, 2598220), (15, 2078576), (16, 1948665), (20, 1558932), (24, 1299110), (30, 1039288), (40, 779466), (48, 649555), (60, 519644), (80, 389733), (120, 259822), (163, 191280), (240, 129911), (326, 95640), (489, 63760), (652, 47820), (797, 39120), (815, 38256), (978, 31880), (1304, 23910), (1594, 19560), (1630, 19128), (1956, 15940), (2391, 13040), (2445, 12752), (2608, 11955), (3188, 9780), (3260, 9564), (3912, 7970), (3985, 7824), (4782, 6520), (4890, 6376)]