81997320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6047}}^1$

素因数の和:6174

約数の個数: 64

約数和(自身を含む): 248209920

約数和(自身を除く): 166212600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1695, 2260, 2712, 3390, 4520, 6047, 6780, 12094, 13560, 18141, 24188, 30235, 36282, 48376, 60470, 72564, 90705, 120940, 145128, 181410, 241880, 362820, 683311, 725640, 1366622, 2049933, 2733244, 3416555, 4099866, 5466488, 6833110, 8199732, 10249665, 13666220, 16399464, 20499330, 27332440, 40998660, 81997320]

約数ペア:

[(1, 81997320), (2, 40998660), (3, 27332440), (4, 20499330), (5, 16399464), (6, 13666220), (8, 10249665), (10, 8199732), (12, 6833110), (15, 5466488), (20, 4099866), (24, 3416555), (30, 2733244), (40, 2049933), (60, 1366622), (113, 725640), (120, 683311), (226, 362820), (339, 241880), (452, 181410), (565, 145128), (678, 120940), (904, 90705), (1130, 72564), (1356, 60470), (1695, 48376), (2260, 36282), (2712, 30235), (3390, 24188), (4520, 18141), (6047, 13560), (6780, 12094)]