28972680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 97044480

約数和(自身を除く): 68071800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 467, 470, 517, 564, 660, 705, 934, 940, 1034, 1128, 1320, 1401, 1410, 1551, 1868, 1880, 2068, 2335, 2585, 2802, 2820, 3102, 3736, 4136, 4670, 5137, 5170, 5604, 5640, 6204, 7005, 7755, 9340, 10274, 10340, 11208, 12408, 14010, 15411, 15510, 18680, 20548, 20680, 21949, 25685, 28020, 30822, 31020, 41096, 43898, 51370, 56040, 61644, 62040, 65847, 77055, 87796, 102740, 109745, 123288, 131694, 154110, 175592, 205480, 219490, 241439, 263388, 308220, 329235, 438980, 482878, 526776, 616440, 658470, 724317, 877960, 965756, 1207195, 1316940, 1448634, 1931512, 2414390, 2633880, 2897268, 3621585, 4828780, 5794536, 7243170, 9657560, 14486340, 28972680]

約数ペア:

[(1, 28972680), (2, 14486340), (3, 9657560), (4, 7243170), (5, 5794536), (6, 4828780), (8, 3621585), (10, 2897268), (11, 2633880), (12, 2414390), (15, 1931512), (20, 1448634), (22, 1316940), (24, 1207195), (30, 965756), (33, 877960), (40, 724317), (44, 658470), (47, 616440), (55, 526776), (60, 482878), (66, 438980), (88, 329235), (94, 308220), (110, 263388), (120, 241439), (132, 219490), (141, 205480), (165, 175592), (188, 154110), (220, 131694), (235, 123288), (264, 109745), (282, 102740), (330, 87796), (376, 77055), (440, 65847), (467, 62040), (470, 61644), (517, 56040), (564, 51370), (660, 43898), (705, 41096), (934, 31020), (940, 30822), (1034, 28020), (1128, 25685), (1320, 21949), (1401, 20680), (1410, 20548), (1551, 18680), (1868, 15510), (1880, 15411), (2068, 14010), (2335, 12408), (2585, 11208), (2802, 10340), (2820, 10274), (3102, 9340), (3736, 7755), (4136, 7005), (4670, 6204), (5137, 5640), (5170, 5604)]