31275780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1361}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 87865344

約数和(自身を除く): 56589564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 1149, 1361, 1532, 1915, 2298, 2722, 3830, 4083, 4596, 5444, 5745, 6805, 7660, 8166, 11490, 13610, 16332, 20415, 22980, 27220, 40830, 81660, 521263, 1042526, 1563789, 2085052, 2606315, 3127578, 5212630, 6255156, 7818945, 10425260, 15637890, 31275780]

約数ペア:

[(1, 31275780), (2, 15637890), (3, 10425260), (4, 7818945), (5, 6255156), (6, 5212630), (10, 3127578), (12, 2606315), (15, 2085052), (20, 1563789), (30, 1042526), (60, 521263), (383, 81660), (766, 40830), (1149, 27220), (1361, 22980), (1532, 20415), (1915, 16332), (2298, 13610), (2722, 11490), (3830, 8166), (4083, 7660), (4596, 6805), (5444, 5745)]