28623420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22717}}^1$

素因数の和:22739

約数の個数: 72

約数和(自身を含む): 99232224

約数和(自身を除く): 70608804

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, 22717, 45434, 68151, 90868, 113585, 136302, 159019, 204453, 227170, 272604, 318038, 340755, 408906, 454340, 477057, 636076, 681510, 795095, 817812, 954114, 1022265, 1363020, 1431171, 1590190, 1908228, 2044530, 2385285, 2862342, 3180380, 4089060, 4770570, 5724684, 7155855, 9541140, 14311710, 28623420]

約数ペア:

[(1, 28623420), (2, 14311710), (3, 9541140), (4, 7155855), (5, 5724684), (6, 4770570), (7, 4089060), (9, 3180380), (10, 2862342), (12, 2385285), (14, 2044530), (15, 1908228), (18, 1590190), (20, 1431171), (21, 1363020), (28, 1022265), (30, 954114), (35, 817812), (36, 795095), (42, 681510), (45, 636076), (60, 477057), (63, 454340), (70, 408906), (84, 340755), (90, 318038), (105, 272604), (126, 227170), (140, 204453), (180, 159019), (210, 136302), (252, 113585), (315, 90868), (420, 68151), (630, 45434), (1260, 22717)]