15554790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 40637376

約数和(自身を除く): 25082586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 431, 802, 862, 1203, 1293, 2005, 2155, 2406, 2586, 3609, 3879, 4010, 4310, 6015, 6465, 7218, 7758, 12030, 12930, 18045, 19395, 36090, 38790, 172831, 345662, 518493, 864155, 1036986, 1555479, 1728310, 2592465, 3110958, 5184930, 7777395, 15554790]

約数ペア:

[(1, 15554790), (2, 7777395), (3, 5184930), (5, 3110958), (6, 2592465), (9, 1728310), (10, 1555479), (15, 1036986), (18, 864155), (30, 518493), (45, 345662), (90, 172831), (401, 38790), (431, 36090), (802, 19395), (862, 18045), (1203, 12930), (1293, 12030), (2005, 7758), (2155, 7218), (2406, 6465), (2586, 6015), (3609, 4310), (3879, 4010)]