51123240

素因数分解:

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

素因数の和:20311

約数の個数: 96

約数和(自身を含む): 189895680

約数和(自身を除く): 138772440

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, 20287, 40574, 60861, 81148, 101435, 121722, 142009, 162296, 182583, 202870, 243444, 284018, 304305, 365166, 405740, 426027, 486888, 568036, 608610, 710045, 730332, 811480, 852054, 912915, 1136072, 1217220, 1278081, 1420090, 1460664, 1704108, 1825830, 2130135, 2434440, 2556162, 2840180, 3408216, 3651660, 4260270, 5112324, 5680360, 6390405, 7303320, 8520540, 10224648, 12780810, 17041080, 25561620, 51123240]

約数ペア:

[(1, 51123240), (2, 25561620), (3, 17041080), (4, 12780810), (5, 10224648), (6, 8520540), (7, 7303320), (8, 6390405), (9, 5680360), (10, 5112324), (12, 4260270), (14, 3651660), (15, 3408216), (18, 2840180), (20, 2556162), (21, 2434440), (24, 2130135), (28, 1825830), (30, 1704108), (35, 1460664), (36, 1420090), (40, 1278081), (42, 1217220), (45, 1136072), (56, 912915), (60, 852054), (63, 811480), (70, 730332), (72, 710045), (84, 608610), (90, 568036), (105, 486888), (120, 426027), (126, 405740), (140, 365166), (168, 304305), (180, 284018), (210, 243444), (252, 202870), (280, 182583), (315, 162296), (360, 142009), (420, 121722), (504, 101435), (630, 81148), (840, 60861), (1260, 40574), (2520, 20287)]