257889240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{102337}}^1$

素因数の和:102361

約数の個数: 96

約数和(自身を含む): 957883680

約数和(自身を除く): 699994440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 102337, 204674, 307011, 409348, 511685, 614022, 716359, 818696, 921033, 1023370, 1228044, 1432718, 1535055, 1842066, 2046740, 2149077, 2456088, 2865436, 3070110, 3581795, 3684132, 4093480, 4298154, 4605165, 5730872, 6140220, 6447231, 7163590, 7368264, 8596308, 9210330, 10745385, 12280440, 12894462, 14327180, 17192616, 18420660, 21490770, 25788924, 28654360, 32236155, 36841320, 42981540, 51577848, 64472310, 85963080, 128944620, 257889240]

約数ペア:

[(1, 257889240), (2, 128944620), (3, 85963080), (4, 64472310), (5, 51577848), (6, 42981540), (7, 36841320), (8, 32236155), (9, 28654360), (10, 25788924), (12, 21490770), (14, 18420660), (15, 17192616), (18, 14327180), (20, 12894462), (21, 12280440), (24, 10745385), (28, 9210330), (30, 8596308), (35, 7368264), (36, 7163590), (40, 6447231), (42, 6140220), (45, 5730872), (56, 4605165), (60, 4298154), (63, 4093480), (70, 3684132), (72, 3581795), (84, 3070110), (90, 2865436), (105, 2456088), (120, 2149077), (126, 2046740), (140, 1842066), (168, 1535055), (180, 1432718), (210, 1228044), (252, 1023370), (280, 921033), (315, 818696), (360, 716359), (420, 614022), (504, 511685), (630, 409348), (840, 307011), (1260, 204674), (2520, 102337)]