131085780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{44587}}^1$

素因数の和:44613

約数の個数: 72

約数和(自身を含む): 426974688

約数和(自身を除く): 295888908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 44587, 89174, 133761, 178348, 222935, 267522, 312109, 445870, 535044, 624218, 668805, 891740, 936327, 1248436, 1337610, 1560545, 1872654, 2184763, 2675220, 3121090, 3745308, 4369526, 4681635, 6242180, 6554289, 8739052, 9363270, 10923815, 13108578, 18726540, 21847630, 26217156, 32771445, 43695260, 65542890, 131085780]

約数ペア:

[(1, 131085780), (2, 65542890), (3, 43695260), (4, 32771445), (5, 26217156), (6, 21847630), (7, 18726540), (10, 13108578), (12, 10923815), (14, 9363270), (15, 8739052), (20, 6554289), (21, 6242180), (28, 4681635), (30, 4369526), (35, 3745308), (42, 3121090), (49, 2675220), (60, 2184763), (70, 1872654), (84, 1560545), (98, 1337610), (105, 1248436), (140, 936327), (147, 891740), (196, 668805), (210, 624218), (245, 535044), (294, 445870), (420, 312109), (490, 267522), (588, 222935), (735, 178348), (980, 133761), (1470, 89174), (2940, 44587)]