256348980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49109}}^1$

素因数の和:49153

約数の個数: 72

約数和(自身を含む): 804421800

約数和(自身を除く): 548072820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 49109, 98218, 147327, 196436, 245545, 294654, 441981, 491090, 589308, 736635, 883962, 982180, 1424161, 1473270, 1767924, 2209905, 2848322, 2946540, 4272483, 4419810, 5696644, 7120805, 8544966, 8839620, 12817449, 14241610, 17089932, 21362415, 25634898, 28483220, 42724830, 51269796, 64087245, 85449660, 128174490, 256348980]

約数ペア:

[(1, 256348980), (2, 128174490), (3, 85449660), (4, 64087245), (5, 51269796), (6, 42724830), (9, 28483220), (10, 25634898), (12, 21362415), (15, 17089932), (18, 14241610), (20, 12817449), (29, 8839620), (30, 8544966), (36, 7120805), (45, 5696644), (58, 4419810), (60, 4272483), (87, 2946540), (90, 2848322), (116, 2209905), (145, 1767924), (174, 1473270), (180, 1424161), (261, 982180), (290, 883962), (348, 736635), (435, 589308), (522, 491090), (580, 441981), (870, 294654), (1044, 245545), (1305, 196436), (1740, 147327), (2610, 98218), (5220, 49109)]