40638420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{225769}}^1$

素因数の和:225784

約数の個数: 36

約数和(自身を含む): 123270420

約数和(自身を除く): 82632000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 225769, 451538, 677307, 903076, 1128845, 1354614, 2031921, 2257690, 2709228, 3386535, 4063842, 4515380, 6773070, 8127684, 10159605, 13546140, 20319210, 40638420]

約数ペア:

[(1, 40638420), (2, 20319210), (3, 13546140), (4, 10159605), (5, 8127684), (6, 6773070), (9, 4515380), (10, 4063842), (12, 3386535), (15, 2709228), (18, 2257690), (20, 2031921), (30, 1354614), (36, 1128845), (45, 903076), (60, 677307), (90, 451538), (180, 225769)]