28220040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1883

約数の個数: 96

約数和(自身を含む): 93899520

約数和(自身を除く): 65679480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1823, 1935, 2580, 3096, 3646, 3870, 5160, 5469, 7292, 7740, 9115, 10938, 14584, 15480, 16407, 18230, 21876, 27345, 32814, 36460, 43752, 54690, 65628, 72920, 78389, 82035, 109380, 131256, 156778, 164070, 218760, 235167, 313556, 328140, 391945, 470334, 627112, 656280, 705501, 783890, 940668, 1175835, 1411002, 1567780, 1881336, 2351670, 2822004, 3135560, 3527505, 4703340, 5644008, 7055010, 9406680, 14110020, 28220040]

約数ペア:

[(1, 28220040), (2, 14110020), (3, 9406680), (4, 7055010), (5, 5644008), (6, 4703340), (8, 3527505), (9, 3135560), (10, 2822004), (12, 2351670), (15, 1881336), (18, 1567780), (20, 1411002), (24, 1175835), (30, 940668), (36, 783890), (40, 705501), (43, 656280), (45, 627112), (60, 470334), (72, 391945), (86, 328140), (90, 313556), (120, 235167), (129, 218760), (172, 164070), (180, 156778), (215, 131256), (258, 109380), (344, 82035), (360, 78389), (387, 72920), (430, 65628), (516, 54690), (645, 43752), (774, 36460), (860, 32814), (1032, 27345), (1290, 21876), (1548, 18230), (1720, 16407), (1823, 15480), (1935, 14584), (2580, 10938), (3096, 9115), (3646, 7740), (3870, 7292), (5160, 5469)]