28267020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2963}}^1$

素因数の和:3031

約数の個数: 72

約数和(自身を含む): 87390576

約数和(自身を除く): 59123556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 2963, 3180, 4770, 5926, 8889, 9540, 11852, 14815, 17778, 26667, 29630, 35556, 44445, 53334, 59260, 88890, 106668, 133335, 157039, 177780, 266670, 314078, 471117, 533340, 628156, 785195, 942234, 1413351, 1570390, 1884468, 2355585, 2826702, 3140780, 4711170, 5653404, 7066755, 9422340, 14133510, 28267020]

約数ペア:

[(1, 28267020), (2, 14133510), (3, 9422340), (4, 7066755), (5, 5653404), (6, 4711170), (9, 3140780), (10, 2826702), (12, 2355585), (15, 1884468), (18, 1570390), (20, 1413351), (30, 942234), (36, 785195), (45, 628156), (53, 533340), (60, 471117), (90, 314078), (106, 266670), (159, 177780), (180, 157039), (212, 133335), (265, 106668), (318, 88890), (477, 59260), (530, 53334), (636, 44445), (795, 35556), (954, 29630), (1060, 26667), (1590, 17778), (1908, 14815), (2385, 11852), (2963, 9540), (3180, 8889), (4770, 5926)]