55280820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18803}}^1$

素因数の和:18829

約数の個数: 72

約数和(自身を含む): 180067104

約数和(自身を除く): 124786284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18803, 37606, 56409, 75212, 94015, 112818, 131621, 188030, 225636, 263242, 282045, 376060, 394863, 526484, 564090, 658105, 789726, 921347, 1128180, 1316210, 1579452, 1842694, 1974315, 2632420, 2764041, 3685388, 3948630, 4606735, 5528082, 7897260, 9213470, 11056164, 13820205, 18426940, 27640410, 55280820]

約数ペア:

[(1, 55280820), (2, 27640410), (3, 18426940), (4, 13820205), (5, 11056164), (6, 9213470), (7, 7897260), (10, 5528082), (12, 4606735), (14, 3948630), (15, 3685388), (20, 2764041), (21, 2632420), (28, 1974315), (30, 1842694), (35, 1579452), (42, 1316210), (49, 1128180), (60, 921347), (70, 789726), (84, 658105), (98, 564090), (105, 526484), (140, 394863), (147, 376060), (196, 282045), (210, 263242), (245, 225636), (294, 188030), (420, 131621), (490, 112818), (588, 94015), (735, 75212), (980, 56409), (1470, 37606), (2940, 18803)]