180865780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2297}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 395329536

約数和(自身を除く): 214463756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2297, 2540, 3937, 4594, 7874, 9188, 11485, 15748, 19685, 22970, 39370, 45940, 71207, 78740, 142414, 284828, 291719, 356035, 583438, 712070, 1166876, 1424140, 1458595, 2917190, 5834380, 9043289, 18086578, 36173156, 45216445, 90432890, 180865780]

約数ペア:

[(1, 180865780), (2, 90432890), (4, 45216445), (5, 36173156), (10, 18086578), (20, 9043289), (31, 5834380), (62, 2917190), (124, 1458595), (127, 1424140), (155, 1166876), (254, 712070), (310, 583438), (508, 356035), (620, 291719), (635, 284828), (1270, 142414), (2297, 78740), (2540, 71207), (3937, 45940), (4594, 39370), (7874, 22970), (9188, 19685), (11485, 15748)]