28137420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156319}}^1$

素因数の和:156334

約数の個数: 36

約数和(自身を含む): 85350720

約数和(自身を除く): 57213300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156319, 312638, 468957, 625276, 781595, 937914, 1406871, 1563190, 1875828, 2344785, 2813742, 3126380, 4689570, 5627484, 7034355, 9379140, 14068710, 28137420]

約数ペア:

[(1, 28137420), (2, 14068710), (3, 9379140), (4, 7034355), (5, 5627484), (6, 4689570), (9, 3126380), (10, 2813742), (12, 2344785), (15, 1875828), (18, 1563190), (20, 1406871), (30, 937914), (36, 781595), (45, 625276), (60, 468957), (90, 312638), (180, 156319)]