1220721660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{7207}}^1$

素因数の和:8163

約数の個数: 72

約数和(自身を含む): 3707305056

約数和(自身を除く): 2486583396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 941, 1882, 2823, 3764, 4705, 5646, 7207, 8469, 9410, 11292, 14115, 14414, 16938, 18820, 21621, 28230, 28828, 33876, 36035, 42345, 43242, 56460, 64863, 72070, 84690, 86484, 108105, 129726, 144140, 169380, 216210, 259452, 324315, 432420, 648630, 1297260, 6781787, 13563574, 20345361, 27127148, 33908935, 40690722, 61036083, 67817870, 81381444, 101726805, 122072166, 135635740, 203453610, 244144332, 305180415, 406907220, 610360830, 1220721660]

約数ペア:

[(1, 1220721660), (2, 610360830), (3, 406907220), (4, 305180415), (5, 244144332), (6, 203453610), (9, 135635740), (10, 122072166), (12, 101726805), (15, 81381444), (18, 67817870), (20, 61036083), (30, 40690722), (36, 33908935), (45, 27127148), (60, 20345361), (90, 13563574), (180, 6781787), (941, 1297260), (1882, 648630), (2823, 432420), (3764, 324315), (4705, 259452), (5646, 216210), (7207, 169380), (8469, 144140), (9410, 129726), (11292, 108105), (14115, 86484), (14414, 84690), (16938, 72070), (18820, 64863), (21621, 56460), (28230, 43242), (28828, 42345), (33876, 36035)]