128545320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6823}}^1$

素因数の和:6994

約数の個数: 64

約数和(自身を含む): 388149120

約数和(自身を除く): 259603800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 6823, 9420, 13646, 18840, 20469, 27292, 34115, 40938, 54584, 68230, 81876, 102345, 136460, 163752, 204690, 272920, 409380, 818760, 1071211, 2142422, 3213633, 4284844, 5356055, 6427266, 8569688, 10712110, 12854532, 16068165, 21424220, 25709064, 32136330, 42848440, 64272660, 128545320]

約数ペア:

[(1, 128545320), (2, 64272660), (3, 42848440), (4, 32136330), (5, 25709064), (6, 21424220), (8, 16068165), (10, 12854532), (12, 10712110), (15, 8569688), (20, 6427266), (24, 5356055), (30, 4284844), (40, 3213633), (60, 2142422), (120, 1071211), (157, 818760), (314, 409380), (471, 272920), (628, 204690), (785, 163752), (942, 136460), (1256, 102345), (1570, 81876), (1884, 68230), (2355, 54584), (3140, 40938), (3768, 34115), (4710, 27292), (6280, 20469), (6823, 18840), (9420, 13646)]