27187720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 43573880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1091, 1246, 1780, 2182, 2492, 3115, 3560, 4364, 4984, 5455, 6230, 7637, 8728, 10910, 12460, 15274, 21820, 24920, 30548, 38185, 43640, 61096, 76370, 97099, 152740, 194198, 305480, 388396, 485495, 679693, 776792, 970990, 1359386, 1941980, 2718772, 3398465, 3883960, 5437544, 6796930, 13593860, 27187720]

約数ペア:

[(1, 27187720), (2, 13593860), (4, 6796930), (5, 5437544), (7, 3883960), (8, 3398465), (10, 2718772), (14, 1941980), (20, 1359386), (28, 970990), (35, 776792), (40, 679693), (56, 485495), (70, 388396), (89, 305480), (140, 194198), (178, 152740), (280, 97099), (356, 76370), (445, 61096), (623, 43640), (712, 38185), (890, 30548), (1091, 24920), (1246, 21820), (1780, 15274), (2182, 12460), (2492, 10910), (3115, 8728), (3560, 7637), (4364, 6230), (4984, 5455)]