142898220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25609}}^1$

素因数の和:25655

約数の個数: 72

約数和(自身を含む): 447457920

約数和(自身を除く): 304559700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 25609, 51218, 76827, 102436, 128045, 153654, 230481, 256090, 307308, 384135, 460962, 512180, 768270, 793879, 921924, 1152405, 1536540, 1587758, 2304810, 2381637, 3175516, 3969395, 4609620, 4763274, 7144911, 7938790, 9526548, 11908185, 14289822, 15877580, 23816370, 28579644, 35724555, 47632740, 71449110, 142898220]

約数ペア:

[(1, 142898220), (2, 71449110), (3, 47632740), (4, 35724555), (5, 28579644), (6, 23816370), (9, 15877580), (10, 14289822), (12, 11908185), (15, 9526548), (18, 7938790), (20, 7144911), (30, 4763274), (31, 4609620), (36, 3969395), (45, 3175516), (60, 2381637), (62, 2304810), (90, 1587758), (93, 1536540), (124, 1152405), (155, 921924), (180, 793879), (186, 768270), (279, 512180), (310, 460962), (372, 384135), (465, 307308), (558, 256090), (620, 230481), (930, 153654), (1116, 128045), (1395, 102436), (1860, 76827), (2790, 51218), (5580, 25609)]