68207640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2113}}^1$

素因数の和:2396

約数の個数: 64

約数和(自身を含む): 205480800

約数和(自身を除く): 137273160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2113, 2152, 2690, 3228, 4035, 4226, 5380, 6339, 6456, 8070, 8452, 10565, 10760, 12678, 16140, 16904, 21130, 25356, 31695, 32280, 42260, 50712, 63390, 84520, 126780, 253560, 568397, 1136794, 1705191, 2273588, 2841985, 3410382, 4547176, 5683970, 6820764, 8525955, 11367940, 13641528, 17051910, 22735880, 34103820, 68207640]

約数ペア:

[(1, 68207640), (2, 34103820), (3, 22735880), (4, 17051910), (5, 13641528), (6, 11367940), (8, 8525955), (10, 6820764), (12, 5683970), (15, 4547176), (20, 3410382), (24, 2841985), (30, 2273588), (40, 1705191), (60, 1136794), (120, 568397), (269, 253560), (538, 126780), (807, 84520), (1076, 63390), (1345, 50712), (1614, 42260), (2113, 32280), (2152, 31695), (2690, 25356), (3228, 21130), (4035, 16904), (4226, 16140), (5380, 12678), (6339, 10760), (6456, 10565), (8070, 8452)]