91811220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90011}}^1$

素因数の和:90040

約数の個数: 48

約数和(自身を含む): 272196288

約数和(自身を除く): 180385068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 90011, 180022, 270033, 360044, 450055, 540066, 900110, 1080132, 1350165, 1530187, 1800220, 2700330, 3060374, 4590561, 5400660, 6120748, 7650935, 9181122, 15301870, 18362244, 22952805, 30603740, 45905610, 91811220]

約数ペア:

[(1, 91811220), (2, 45905610), (3, 30603740), (4, 22952805), (5, 18362244), (6, 15301870), (10, 9181122), (12, 7650935), (15, 6120748), (17, 5400660), (20, 4590561), (30, 3060374), (34, 2700330), (51, 1800220), (60, 1530187), (68, 1350165), (85, 1080132), (102, 900110), (170, 540066), (204, 450055), (255, 360044), (340, 270033), (510, 180022), (1020, 90011)]