1660016840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{38677}}^1$

素因数の和:38754

約数の個数: 64

約数和(自身を含む): 3968362800

約数和(自身を除く): 2308345960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 5365, 8584, 10730, 21460, 38677, 42920, 77354, 154708, 193385, 309416, 386770, 773540, 1121633, 1431049, 1547080, 2243266, 2862098, 4486532, 5608165, 5724196, 7155245, 8973064, 11216330, 11448392, 14310490, 22432660, 28620980, 41500421, 44865320, 57241960, 83000842, 166001684, 207502105, 332003368, 415004210, 830008420, 1660016840]

約数ペア:

[(1, 1660016840), (2, 830008420), (4, 415004210), (5, 332003368), (8, 207502105), (10, 166001684), (20, 83000842), (29, 57241960), (37, 44865320), (40, 41500421), (58, 28620980), (74, 22432660), (116, 14310490), (145, 11448392), (148, 11216330), (185, 8973064), (232, 7155245), (290, 5724196), (296, 5608165), (370, 4486532), (580, 2862098), (740, 2243266), (1073, 1547080), (1160, 1431049), (1480, 1121633), (2146, 773540), (4292, 386770), (5365, 309416), (8584, 193385), (10730, 154708), (21460, 77354), (38677, 42920)]