52020

素因数分解:

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

素因数の和:49

約数の個数: 54

約数和(自身を含む): 167622

約数和(自身を除く): 115602

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 8670, 10404, 13005, 17340, 26010, 52020]

約数ペア:

[(1, 52020), (2, 26010), (3, 17340), (4, 13005), (5, 10404), (6, 8670), (9, 5780), (10, 5202), (12, 4335), (15, 3468), (17, 3060), (18, 2890), (20, 2601), (30, 1734), (34, 1530), (36, 1445), (45, 1156), (51, 1020), (60, 867), (68, 765), (85, 612), (90, 578), (102, 510), (153, 340), (170, 306), (180, 289), (204, 255)]