51440040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3323}}^1$

素因数の和:3383

約数の個数: 96

約数和(自身を含む): 171119520

約数和(自身を除く): 119679480

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, 1935, 2580, 3096, 3323, 3870, 5160, 6646, 7740, 9969, 13292, 15480, 16615, 19938, 26584, 29907, 33230, 39876, 49845, 59814, 66460, 79752, 99690, 119628, 132920, 142889, 149535, 199380, 239256, 285778, 299070, 398760, 428667, 571556, 598140, 714445, 857334, 1143112, 1196280, 1286001, 1428890, 1714668, 2143335, 2572002, 2857780, 3429336, 4286670, 5144004, 5715560, 6430005, 8573340, 10288008, 12860010, 17146680, 25720020, 51440040]

約数ペア:

[(1, 51440040), (2, 25720020), (3, 17146680), (4, 12860010), (5, 10288008), (6, 8573340), (8, 6430005), (9, 5715560), (10, 5144004), (12, 4286670), (15, 3429336), (18, 2857780), (20, 2572002), (24, 2143335), (30, 1714668), (36, 1428890), (40, 1286001), (43, 1196280), (45, 1143112), (60, 857334), (72, 714445), (86, 598140), (90, 571556), (120, 428667), (129, 398760), (172, 299070), (180, 285778), (215, 239256), (258, 199380), (344, 149535), (360, 142889), (387, 132920), (430, 119628), (516, 99690), (645, 79752), (774, 66460), (860, 59814), (1032, 49845), (1290, 39876), (1548, 33230), (1720, 29907), (1935, 26584), (2580, 19938), (3096, 16615), (3323, 15480), (3870, 13292), (5160, 9969), (6646, 7740)]