291329127920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1\times {\mathrm{32303}}^1$

素因数の和:33822

約数の個数: 80

約数和(自身を含む): 686416066560

約数和(自身を除く): 395086938640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1427, 1580, 2854, 3160, 5708, 6320, 7135, 11416, 14270, 22832, 28540, 32303, 57080, 64606, 112733, 114160, 129212, 161515, 225466, 258424, 323030, 450932, 516848, 563665, 646060, 901864, 1127330, 1292120, 1803728, 2254660, 2551937, 2584240, 4509320, 5103874, 9018640, 10207748, 12759685, 20415496, 25519370, 40830992, 46096381, 51038740, 92192762, 102077480, 184385524, 204154960, 230481905, 368771048, 460963810, 737542096, 921927620, 1843855240, 3641614099, 3687710480, 7283228198, 14566456396, 18208070495, 29132912792, 36416140990, 58265825584, 72832281980, 145664563960, 291329127920]

約数ペア:

[(1, 291329127920), (2, 145664563960), (4, 72832281980), (5, 58265825584), (8, 36416140990), (10, 29132912792), (16, 18208070495), (20, 14566456396), (40, 7283228198), (79, 3687710480), (80, 3641614099), (158, 1843855240), (316, 921927620), (395, 737542096), (632, 460963810), (790, 368771048), (1264, 230481905), (1427, 204154960), (1580, 184385524), (2854, 102077480), (3160, 92192762), (5708, 51038740), (6320, 46096381), (7135, 40830992), (11416, 25519370), (14270, 20415496), (22832, 12759685), (28540, 10207748), (32303, 9018640), (57080, 5103874), (64606, 4509320), (112733, 2584240), (114160, 2551937), (129212, 2254660), (161515, 1803728), (225466, 1292120), (258424, 1127330), (323030, 901864), (450932, 646060), (516848, 563665)]