81976620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4283}}^1$

素因数の和:4335

約数の個数: 96

約数和(自身を含む): 259096320

約数和(自身を除く): 177119700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1595, 1740, 1914, 3190, 3828, 4283, 4785, 6380, 8566, 9570, 12849, 17132, 19140, 21415, 25698, 42830, 47113, 51396, 64245, 85660, 94226, 124207, 128490, 141339, 188452, 235565, 248414, 256980, 282678, 372621, 471130, 496828, 565356, 621035, 706695, 745242, 942260, 1242070, 1366277, 1413390, 1490484, 1863105, 2484140, 2732554, 2826780, 3726210, 4098831, 5465108, 6831385, 7452420, 8197662, 13662770, 16395324, 20494155, 27325540, 40988310, 81976620]

約数ペア:

[(1, 81976620), (2, 40988310), (3, 27325540), (4, 20494155), (5, 16395324), (6, 13662770), (10, 8197662), (11, 7452420), (12, 6831385), (15, 5465108), (20, 4098831), (22, 3726210), (29, 2826780), (30, 2732554), (33, 2484140), (44, 1863105), (55, 1490484), (58, 1413390), (60, 1366277), (66, 1242070), (87, 942260), (110, 745242), (116, 706695), (132, 621035), (145, 565356), (165, 496828), (174, 471130), (220, 372621), (290, 282678), (319, 256980), (330, 248414), (348, 235565), (435, 188452), (580, 141339), (638, 128490), (660, 124207), (870, 94226), (957, 85660), (1276, 64245), (1595, 51396), (1740, 47113), (1914, 42830), (3190, 25698), (3828, 21415), (4283, 19140), (4785, 17132), (6380, 12849), (8566, 9570)]