400560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1669}}^1$

素因数の和:1685

約数の個数: 40

約数和(自身を含む): 1242480

約数和(自身を除く): 841920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1669, 3338, 5007, 6676, 8345, 10014, 13352, 16690, 20028, 25035, 26704, 33380, 40056, 50070, 66760, 80112, 100140, 133520, 200280, 400560]

約数ペア:

[(1, 400560), (2, 200280), (3, 133520), (4, 100140), (5, 80112), (6, 66760), (8, 50070), (10, 40056), (12, 33380), (15, 26704), (16, 25035), (20, 20028), (24, 16690), (30, 13352), (40, 10014), (48, 8345), (60, 6676), (80, 5007), (120, 3338), (240, 1669)]