8765220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 24671808

約数和(自身を除く): 15906588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 421, 694, 842, 1041, 1263, 1388, 1684, 1735, 2082, 2105, 2526, 3470, 4164, 4210, 5052, 5205, 6315, 6940, 8420, 10410, 12630, 20820, 25260, 146087, 292174, 438261, 584348, 730435, 876522, 1460870, 1753044, 2191305, 2921740, 4382610, 8765220]

約数ペア:

[(1, 8765220), (2, 4382610), (3, 2921740), (4, 2191305), (5, 1753044), (6, 1460870), (10, 876522), (12, 730435), (15, 584348), (20, 438261), (30, 292174), (60, 146087), (347, 25260), (421, 20820), (694, 12630), (842, 10410), (1041, 8420), (1263, 6940), (1388, 6315), (1684, 5205), (1735, 5052), (2082, 4210), (2105, 4164), (2526, 3470)]