25758180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20443}}^1$

素因数の和:20465

約数の個数: 72

約数和(自身を含む): 89299392

約数和(自身を除く): 63541212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20443, 40886, 61329, 81772, 102215, 122658, 143101, 183987, 204430, 245316, 286202, 306645, 367974, 408860, 429303, 572404, 613290, 715505, 735948, 858606, 919935, 1226580, 1287909, 1431010, 1717212, 1839870, 2146515, 2575818, 2862020, 3679740, 4293030, 5151636, 6439545, 8586060, 12879090, 25758180]

約数ペア:

[(1, 25758180), (2, 12879090), (3, 8586060), (4, 6439545), (5, 5151636), (6, 4293030), (7, 3679740), (9, 2862020), (10, 2575818), (12, 2146515), (14, 1839870), (15, 1717212), (18, 1431010), (20, 1287909), (21, 1226580), (28, 919935), (30, 858606), (35, 735948), (36, 715505), (42, 613290), (45, 572404), (60, 429303), (63, 408860), (70, 367974), (84, 306645), (90, 286202), (105, 245316), (126, 204430), (140, 183987), (180, 143101), (210, 122658), (252, 102215), (315, 81772), (420, 61329), (630, 40886), (1260, 20443)]