25561620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20287}}^1$

素因数の和:20309

約数の個数: 72

約数和(自身を含む): 88617984

約数和(自身を除く): 63056364

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, 20287, 40574, 60861, 81148, 101435, 121722, 142009, 182583, 202870, 243444, 284018, 304305, 365166, 405740, 426027, 568036, 608610, 710045, 730332, 852054, 912915, 1217220, 1278081, 1420090, 1704108, 1825830, 2130135, 2556162, 2840180, 3651660, 4260270, 5112324, 6390405, 8520540, 12780810, 25561620]

約数ペア:

[(1, 25561620), (2, 12780810), (3, 8520540), (4, 6390405), (5, 5112324), (6, 4260270), (7, 3651660), (9, 2840180), (10, 2556162), (12, 2130135), (14, 1825830), (15, 1704108), (18, 1420090), (20, 1278081), (21, 1217220), (28, 912915), (30, 852054), (35, 730332), (36, 710045), (42, 608610), (45, 568036), (60, 426027), (63, 405740), (70, 365166), (84, 304305), (90, 284018), (105, 243444), (126, 202870), (140, 182583), (180, 142009), (210, 121722), (252, 101435), (315, 81148), (420, 60861), (630, 40574), (1260, 20287)]