30887080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110311}}^1$

素因数の和:110329

約数の個数: 32

約数和(自身を含む): 79424640

約数和(自身を除く): 48537560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110311, 220622, 441244, 551555, 772177, 882488, 1103110, 1544354, 2206220, 3088708, 3860885, 4412440, 6177416, 7721770, 15443540, 30887080]

約数ペア:

[(1, 30887080), (2, 15443540), (4, 7721770), (5, 6177416), (7, 4412440), (8, 3860885), (10, 3088708), (14, 2206220), (20, 1544354), (28, 1103110), (35, 882488), (40, 772177), (56, 551555), (70, 441244), (140, 220622), (280, 110311)]