66838140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{827}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 203439600

約数和(自身を除く): 136601460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 827, 898, 1347, 1654, 1796, 2245, 2481, 2694, 3308, 4041, 4135, 4490, 4962, 5388, 6735, 7443, 8082, 8270, 8980, 9924, 12405, 13470, 14886, 16164, 16540, 20205, 24810, 26940, 29772, 37215, 40410, 49620, 74430, 80820, 148860, 371323, 742646, 1113969, 1485292, 1856615, 2227938, 3341907, 3713230, 4455876, 5569845, 6683814, 7426460, 11139690, 13367628, 16709535, 22279380, 33419070, 66838140]

約数ペア:

[(1, 66838140), (2, 33419070), (3, 22279380), (4, 16709535), (5, 13367628), (6, 11139690), (9, 7426460), (10, 6683814), (12, 5569845), (15, 4455876), (18, 3713230), (20, 3341907), (30, 2227938), (36, 1856615), (45, 1485292), (60, 1113969), (90, 742646), (180, 371323), (449, 148860), (827, 80820), (898, 74430), (1347, 49620), (1654, 40410), (1796, 37215), (2245, 29772), (2481, 26940), (2694, 24810), (3308, 20205), (4041, 16540), (4135, 16164), (4490, 14886), (4962, 13470), (5388, 12405), (6735, 9924), (7443, 8980), (8082, 8270)]