28758420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159769}}^1$

素因数の和:159784

約数の個数: 36

約数和(自身を含む): 87234420

約数和(自身を除く): 58476000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159769, 319538, 479307, 639076, 798845, 958614, 1437921, 1597690, 1917228, 2396535, 2875842, 3195380, 4793070, 5751684, 7189605, 9586140, 14379210, 28758420]

約数ペア:

[(1, 28758420), (2, 14379210), (3, 9586140), (4, 7189605), (5, 5751684), (6, 4793070), (9, 3195380), (10, 2875842), (12, 2396535), (15, 1917228), (18, 1597690), (20, 1437921), (30, 958614), (36, 798845), (45, 639076), (60, 479307), (90, 319538), (180, 159769)]