155388420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78479}}^1$

素因数の和:78505

約数の個数: 72

約数和(自身を含む): 514200960

約数和(自身を除く): 358812540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 78479, 156958, 235437, 313916, 392395, 470874, 706311, 784790, 863269, 941748, 1177185, 1412622, 1569580, 1726538, 2354370, 2589807, 2825244, 3453076, 3531555, 4316345, 4708740, 5179614, 7063110, 7769421, 8632690, 10359228, 12949035, 14126220, 15538842, 17265380, 25898070, 31077684, 38847105, 51796140, 77694210, 155388420]

約数ペア:

[(1, 155388420), (2, 77694210), (3, 51796140), (4, 38847105), (5, 31077684), (6, 25898070), (9, 17265380), (10, 15538842), (11, 14126220), (12, 12949035), (15, 10359228), (18, 8632690), (20, 7769421), (22, 7063110), (30, 5179614), (33, 4708740), (36, 4316345), (44, 3531555), (45, 3453076), (55, 2825244), (60, 2589807), (66, 2354370), (90, 1726538), (99, 1569580), (110, 1412622), (132, 1177185), (165, 941748), (180, 863269), (198, 784790), (220, 706311), (330, 470874), (396, 392395), (495, 313916), (660, 235437), (990, 156958), (1980, 78479)]