54375440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 146240640

約数和(自身を除く): 91865200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1091, 1246, 1424, 1780, 2182, 2492, 3115, 3560, 4364, 4984, 5455, 6230, 7120, 7637, 8728, 9968, 10910, 12460, 15274, 17456, 21820, 24920, 30548, 38185, 43640, 49840, 61096, 76370, 87280, 97099, 122192, 152740, 194198, 305480, 388396, 485495, 610960, 679693, 776792, 970990, 1359386, 1553584, 1941980, 2718772, 3398465, 3883960, 5437544, 6796930, 7767920, 10875088, 13593860, 27187720, 54375440]

約数ペア:

[(1, 54375440), (2, 27187720), (4, 13593860), (5, 10875088), (7, 7767920), (8, 6796930), (10, 5437544), (14, 3883960), (16, 3398465), (20, 2718772), (28, 1941980), (35, 1553584), (40, 1359386), (56, 970990), (70, 776792), (80, 679693), (89, 610960), (112, 485495), (140, 388396), (178, 305480), (280, 194198), (356, 152740), (445, 122192), (560, 97099), (623, 87280), (712, 76370), (890, 61096), (1091, 49840), (1246, 43640), (1424, 38185), (1780, 30548), (2182, 24920), (2492, 21820), (3115, 17456), (3560, 15274), (4364, 12460), (4984, 10910), (5455, 9968), (6230, 8728), (7120, 7637)]