181338760

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{14767}}^1$

素因数の和:15085

約数の個数: 32

約数和(自身を含む): 409368960

約数和(自身を除く): 228030200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 14767, 29534, 59068, 73835, 118136, 147670, 295340, 590680, 4533469, 9066938, 18133876, 22667345, 36267752, 45334690, 90669380, 181338760]

約数ペア:

[(1, 181338760), (2, 90669380), (4, 45334690), (5, 36267752), (8, 22667345), (10, 18133876), (20, 9066938), (40, 4533469), (307, 590680), (614, 295340), (1228, 147670), (1535, 118136), (2456, 73835), (3070, 59068), (6140, 29534), (12280, 14767)]