81754380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151397}}^1$

素因数の和:151415

約数の個数: 48

約数和(自身を含む): 254348640

約数和(自身を除く): 172594260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151397, 302794, 454191, 605588, 756985, 908382, 1362573, 1513970, 1816764, 2270955, 2725146, 3027940, 4087719, 4541910, 5450292, 6812865, 8175438, 9083820, 13625730, 16350876, 20438595, 27251460, 40877190, 81754380]

約数ペア:

[(1, 81754380), (2, 40877190), (3, 27251460), (4, 20438595), (5, 16350876), (6, 13625730), (9, 9083820), (10, 8175438), (12, 6812865), (15, 5450292), (18, 4541910), (20, 4087719), (27, 3027940), (30, 2725146), (36, 2270955), (45, 1816764), (54, 1513970), (60, 1362573), (90, 908382), (108, 756985), (135, 605588), (180, 454191), (270, 302794), (540, 151397)]