71512020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397289}}^1$

素因数の和:397304

約数の個数: 36

約数和(自身を含む): 216920340

約数和(自身を除く): 145408320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397289, 794578, 1191867, 1589156, 1986445, 2383734, 3575601, 3972890, 4767468, 5959335, 7151202, 7945780, 11918670, 14302404, 17878005, 23837340, 35756010, 71512020]

約数ペア:

[(1, 71512020), (2, 35756010), (3, 23837340), (4, 17878005), (5, 14302404), (6, 11918670), (9, 7945780), (10, 7151202), (12, 5959335), (15, 4767468), (18, 3972890), (20, 3575601), (30, 2383734), (36, 1986445), (45, 1589156), (60, 1191867), (90, 794578), (180, 397289)]