1643286680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 4302305280

約数和(自身を除く): 2659018600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 167, 226, 280, 311, 334, 452, 565, 622, 668, 791, 835, 904, 1130, 1169, 1244, 1336, 1555, 1582, 1670, 2177, 2260, 2338, 2488, 3110, 3164, 3340, 3955, 4354, 4520, 4676, 5845, 6220, 6328, 6680, 7910, 8708, 9352, 10885, 11690, 12440, 15820, 17416, 18871, 21770, 23380, 31640, 35143, 37742, 43540, 46760, 51937, 70286, 75484, 87080, 94355, 103874, 132097, 140572, 150968, 175715, 188710, 207748, 246001, 259685, 264194, 281144, 351430, 363559, 377420, 415496, 492002, 519370, 528388, 660485, 702860, 727118, 754840, 984004, 1038740, 1056776, 1230005, 1320970, 1405720, 1454236, 1817795, 1968008, 2077480, 2460010, 2641940, 2908472, 3635590, 4920020, 5283880, 5868881, 7271180, 9840040, 11737762, 14542360, 23475524, 29344405, 41082167, 46951048, 58688810, 82164334, 117377620, 164328668, 205410835, 234755240, 328657336, 410821670, 821643340, 1643286680]

約数ペア:

[(1, 1643286680), (2, 821643340), (4, 410821670), (5, 328657336), (7, 234755240), (8, 205410835), (10, 164328668), (14, 117377620), (20, 82164334), (28, 58688810), (35, 46951048), (40, 41082167), (56, 29344405), (70, 23475524), (113, 14542360), (140, 11737762), (167, 9840040), (226, 7271180), (280, 5868881), (311, 5283880), (334, 4920020), (452, 3635590), (565, 2908472), (622, 2641940), (668, 2460010), (791, 2077480), (835, 1968008), (904, 1817795), (1130, 1454236), (1169, 1405720), (1244, 1320970), (1336, 1230005), (1555, 1056776), (1582, 1038740), (1670, 984004), (2177, 754840), (2260, 727118), (2338, 702860), (2488, 660485), (3110, 528388), (3164, 519370), (3340, 492002), (3955, 415496), (4354, 377420), (4520, 363559), (4676, 351430), (5845, 281144), (6220, 264194), (6328, 259685), (6680, 246001), (7910, 207748), (8708, 188710), (9352, 175715), (10885, 150968), (11690, 140572), (12440, 132097), (15820, 103874), (17416, 94355), (18871, 87080), (21770, 75484), (23380, 70286), (31640, 51937), (35143, 46760), (37742, 43540)]