206915220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{14551}}^1$

素因数の和:14645

約数の個数: 72

約数和(自身を含む): 635631360

約数和(自身を除く): 428716140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 14551, 29102, 43653, 58204, 72755, 87306, 130959, 145510, 174612, 218265, 261918, 291020, 436530, 523836, 654795, 873060, 1149529, 1309590, 2299058, 2619180, 3448587, 4598116, 5747645, 6897174, 10345761, 11495290, 13794348, 17242935, 20691522, 22990580, 34485870, 41383044, 51728805, 68971740, 103457610, 206915220]

約数ペア:

[(1, 206915220), (2, 103457610), (3, 68971740), (4, 51728805), (5, 41383044), (6, 34485870), (9, 22990580), (10, 20691522), (12, 17242935), (15, 13794348), (18, 11495290), (20, 10345761), (30, 6897174), (36, 5747645), (45, 4598116), (60, 3448587), (79, 2619180), (90, 2299058), (158, 1309590), (180, 1149529), (237, 873060), (316, 654795), (395, 523836), (474, 436530), (711, 291020), (790, 261918), (948, 218265), (1185, 174612), (1422, 145510), (1580, 130959), (2370, 87306), (2844, 72755), (3555, 58204), (4740, 43653), (7110, 29102), (14220, 14551)]