215275160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1367}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 504299520

約数和(自身を除く): 289024360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 1367, 2540, 2734, 3937, 5080, 5468, 6835, 7874, 10936, 13670, 15748, 19685, 27340, 31496, 39370, 42377, 54680, 78740, 84754, 157480, 169508, 173609, 211885, 339016, 347218, 423770, 694436, 847540, 868045, 1388872, 1695080, 1736090, 3472180, 5381879, 6944360, 10763758, 21527516, 26909395, 43055032, 53818790, 107637580, 215275160]

約数ペア:

[(1, 215275160), (2, 107637580), (4, 53818790), (5, 43055032), (8, 26909395), (10, 21527516), (20, 10763758), (31, 6944360), (40, 5381879), (62, 3472180), (124, 1736090), (127, 1695080), (155, 1388872), (248, 868045), (254, 847540), (310, 694436), (508, 423770), (620, 347218), (635, 339016), (1016, 211885), (1240, 173609), (1270, 169508), (1367, 157480), (2540, 84754), (2734, 78740), (3937, 54680), (5080, 42377), (5468, 39370), (6835, 31496), (7874, 27340), (10936, 19685), (13670, 15748)]