220720140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{136247}}^1$

素因数の和:136268

約数の個数: 60

約数和(自身を含む): 692412336

約数和(自身を除く): 471692196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 136247, 272494, 408741, 544988, 681235, 817482, 1226223, 1362470, 1634964, 2043705, 2452446, 2724940, 3678669, 4087410, 4904892, 6131115, 7357338, 8174820, 11036007, 12262230, 14714676, 18393345, 22072014, 24524460, 36786690, 44144028, 55180035, 73573380, 110360070, 220720140]

約数ペア:

[(1, 220720140), (2, 110360070), (3, 73573380), (4, 55180035), (5, 44144028), (6, 36786690), (9, 24524460), (10, 22072014), (12, 18393345), (15, 14714676), (18, 12262230), (20, 11036007), (27, 8174820), (30, 7357338), (36, 6131115), (45, 4904892), (54, 4087410), (60, 3678669), (81, 2724940), (90, 2452446), (108, 2043705), (135, 1634964), (162, 1362470), (180, 1226223), (270, 817482), (324, 681235), (405, 544988), (540, 408741), (810, 272494), (1620, 136247)]