80195640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{95471}}^1$

素因数の和:95492

約数の個数: 64

約数和(自身を含む): 274959360

約数和(自身を除く): 194763720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 95471, 190942, 286413, 381884, 477355, 572826, 668297, 763768, 954710, 1145652, 1336594, 1432065, 1909420, 2004891, 2291304, 2673188, 2864130, 3341485, 3818840, 4009782, 5346376, 5728260, 6682970, 8019564, 10024455, 11456520, 13365940, 16039128, 20048910, 26731880, 40097820, 80195640]

約数ペア:

[(1, 80195640), (2, 40097820), (3, 26731880), (4, 20048910), (5, 16039128), (6, 13365940), (7, 11456520), (8, 10024455), (10, 8019564), (12, 6682970), (14, 5728260), (15, 5346376), (20, 4009782), (21, 3818840), (24, 3341485), (28, 2864130), (30, 2673188), (35, 2291304), (40, 2004891), (42, 1909420), (56, 1432065), (60, 1336594), (70, 1145652), (84, 954710), (105, 763768), (120, 668297), (140, 572826), (168, 477355), (210, 381884), (280, 286413), (420, 190942), (840, 95471)]