123300520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7219}}^1$

素因数の和:7298

約数の個数: 64

約数和(自身を含む): 322300800

約数和(自身を除く): 199000280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 7219, 8540, 14438, 17080, 28876, 36095, 50533, 57752, 72190, 101066, 144380, 202132, 252665, 288760, 404264, 440359, 505330, 880718, 1010660, 1761436, 2021320, 2201795, 3082513, 3522872, 4403590, 6165026, 8807180, 12330052, 15412565, 17614360, 24660104, 30825130, 61650260, 123300520]

約数ペア:

[(1, 123300520), (2, 61650260), (4, 30825130), (5, 24660104), (7, 17614360), (8, 15412565), (10, 12330052), (14, 8807180), (20, 6165026), (28, 4403590), (35, 3522872), (40, 3082513), (56, 2201795), (61, 2021320), (70, 1761436), (122, 1010660), (140, 880718), (244, 505330), (280, 440359), (305, 404264), (427, 288760), (488, 252665), (610, 202132), (854, 144380), (1220, 101066), (1708, 72190), (2135, 57752), (2440, 50533), (3416, 36095), (4270, 28876), (7219, 17080), (8540, 14438)]