128479620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1669}}^1$

素因数の和:2964

約数の個数: 48

約数和(自身を含む): 360239040

約数和(自身を除く): 231759420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1283, 1669, 2566, 3338, 3849, 5007, 5132, 6415, 6676, 7698, 8345, 10014, 12830, 15396, 16690, 19245, 20028, 25035, 25660, 33380, 38490, 50070, 76980, 100140, 2141327, 4282654, 6423981, 8565308, 10706635, 12847962, 21413270, 25695924, 32119905, 42826540, 64239810, 128479620]

約数ペア:

[(1, 128479620), (2, 64239810), (3, 42826540), (4, 32119905), (5, 25695924), (6, 21413270), (10, 12847962), (12, 10706635), (15, 8565308), (20, 6423981), (30, 4282654), (60, 2141327), (1283, 100140), (1669, 76980), (2566, 50070), (3338, 38490), (3849, 33380), (5007, 25660), (5132, 25035), (6415, 20028), (6676, 19245), (7698, 16690), (8345, 15396), (10014, 12830)]