172677780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87211}}^1$

素因数の和:87237

約数の個数: 72

約数和(自身を含む): 571413024

約数和(自身を除く): 398735244

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, 87211, 174422, 261633, 348844, 436055, 523266, 784899, 872110, 959321, 1046532, 1308165, 1569798, 1744220, 1918642, 2616330, 2877963, 3139596, 3837284, 3924495, 4796605, 5232660, 5755926, 7848990, 8633889, 9593210, 11511852, 14389815, 15697980, 17267778, 19186420, 28779630, 34535556, 43169445, 57559260, 86338890, 172677780]

約数ペア:

[(1, 172677780), (2, 86338890), (3, 57559260), (4, 43169445), (5, 34535556), (6, 28779630), (9, 19186420), (10, 17267778), (11, 15697980), (12, 14389815), (15, 11511852), (18, 9593210), (20, 8633889), (22, 7848990), (30, 5755926), (33, 5232660), (36, 4796605), (44, 3924495), (45, 3837284), (55, 3139596), (60, 2877963), (66, 2616330), (90, 1918642), (99, 1744220), (110, 1569798), (132, 1308165), (165, 1046532), (180, 959321), (198, 872110), (220, 784899), (330, 523266), (396, 436055), (495, 348844), (660, 261633), (990, 174422), (1980, 87211)]