120438640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 321408000

約数和(自身を除く): 200969360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 431, 499, 560, 862, 998, 1724, 1996, 2155, 2495, 3017, 3448, 3493, 3992, 4310, 4990, 6034, 6896, 6986, 7984, 8620, 9980, 12068, 13972, 15085, 17240, 17465, 19960, 24136, 27944, 30170, 34480, 34930, 39920, 48272, 55888, 60340, 69860, 120680, 139720, 215069, 241360, 279440, 430138, 860276, 1075345, 1505483, 1720552, 2150690, 3010966, 3441104, 4301380, 6021932, 7527415, 8602760, 12043864, 15054830, 17205520, 24087728, 30109660, 60219320, 120438640]

約数ペア:

[(1, 120438640), (2, 60219320), (4, 30109660), (5, 24087728), (7, 17205520), (8, 15054830), (10, 12043864), (14, 8602760), (16, 7527415), (20, 6021932), (28, 4301380), (35, 3441104), (40, 3010966), (56, 2150690), (70, 1720552), (80, 1505483), (112, 1075345), (140, 860276), (280, 430138), (431, 279440), (499, 241360), (560, 215069), (862, 139720), (998, 120680), (1724, 69860), (1996, 60340), (2155, 55888), (2495, 48272), (3017, 39920), (3448, 34930), (3493, 34480), (3992, 30170), (4310, 27944), (4990, 24136), (6034, 19960), (6896, 17465), (6986, 17240), (7984, 15085), (8620, 13972), (9980, 12068)]