646293120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 256

約数和(自身を含む): 2284277760

約数和(自身を除く): 1637984640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 71, 80, 88, 96, 110, 120, 128, 132, 142, 160, 165, 176, 192, 213, 220, 240, 264, 284, 320, 330, 352, 355, 384, 426, 431, 440, 480, 528, 568, 640, 660, 704, 710, 781, 852, 862, 880, 960, 1056, 1065, 1136, 1293, 1320, 1408, 1420, 1562, 1704, 1724, 1760, 1920, 2112, 2130, 2155, 2272, 2343, 2586, 2640, 2840, 3124, 3408, 3448, 3520, 3905, 4224, 4260, 4310, 4544, 4686, 4741, 5172, 5280, 5680, 6248, 6465, 6816, 6896, 7040, 7810, 8520, 8620, 9088, 9372, 9482, 10344, 10560, 11360, 11715, 12496, 12930, 13632, 13792, 14223, 15620, 17040, 17240, 18744, 18964, 20688, 21120, 22720, 23430, 23705, 24992, 25860, 27264, 27584, 28446, 30601, 31240, 34080, 34480, 37488, 37928, 41376, 45440, 46860, 47410, 49984, 51720, 55168, 56892, 61202, 62480, 68160, 68960, 71115, 74976, 75856, 82752, 91803, 93720, 94820, 99968, 103440, 113784, 122404, 124960, 136320, 137920, 142230, 149952, 151712, 153005, 165504, 183606, 187440, 189640, 206880, 227568, 244808, 249920, 275840, 284460, 299904, 303424, 306010, 336611, 367212, 374880, 379280, 413760, 455136, 459015, 489616, 499840, 568920, 606848, 612020, 673222, 734424, 749760, 758560, 827520, 910272, 918030, 979232, 1009833, 1137840, 1224040, 1346444, 1468848, 1499520, 1517120, 1683055, 1820544, 1836060, 1958464, 2019666, 2275680, 2448080, 2692888, 2937696, 3034240, 3366110, 3672120, 3916928, 4039332, 4551360, 4896160, 5049165, 5385776, 5875392, 6732220, 7344240, 8078664, 9102720, 9792320, 10098330, 10771552, 11750784, 13464440, 14688480, 16157328, 19584640, 20196660, 21543104, 26928880, 29376960, 32314656, 40393320, 43086208, 53857760, 58753920, 64629312, 80786640, 107715520, 129258624, 161573280, 215431040, 323146560, 646293120]

約数ペア:

[(1, 646293120), (2, 323146560), (3, 215431040), (4, 161573280), (5, 129258624), (6, 107715520), (8, 80786640), (10, 64629312), (11, 58753920), (12, 53857760), (15, 43086208), (16, 40393320), (20, 32314656), (22, 29376960), (24, 26928880), (30, 21543104), (32, 20196660), (33, 19584640), (40, 16157328), (44, 14688480), (48, 13464440), (55, 11750784), (60, 10771552), (64, 10098330), (66, 9792320), (71, 9102720), (80, 8078664), (88, 7344240), (96, 6732220), (110, 5875392), (120, 5385776), (128, 5049165), (132, 4896160), (142, 4551360), (160, 4039332), (165, 3916928), (176, 3672120), (192, 3366110), (213, 3034240), (220, 2937696), (240, 2692888), (264, 2448080), (284, 2275680), (320, 2019666), (330, 1958464), (352, 1836060), (355, 1820544), (384, 1683055), (426, 1517120), (431, 1499520), (440, 1468848), (480, 1346444), (528, 1224040), (568, 1137840), (640, 1009833), (660, 979232), (704, 918030), (710, 910272), (781, 827520), (852, 758560), (862, 749760), (880, 734424), (960, 673222), (1056, 612020), (1065, 606848), (1136, 568920), (1293, 499840), (1320, 489616), (1408, 459015), (1420, 455136), (1562, 413760), (1704, 379280), (1724, 374880), (1760, 367212), (1920, 336611), (2112, 306010), (2130, 303424), (2155, 299904), (2272, 284460), (2343, 275840), (2586, 249920), (2640, 244808), (2840, 227568), (3124, 206880), (3408, 189640), (3448, 187440), (3520, 183606), (3905, 165504), (4224, 153005), (4260, 151712), (4310, 149952), (4544, 142230), (4686, 137920), (4741, 136320), (5172, 124960), (5280, 122404), (5680, 113784), (6248, 103440), (6465, 99968), (6816, 94820), (6896, 93720), (7040, 91803), (7810, 82752), (8520, 75856), (8620, 74976), (9088, 71115), (9372, 68960), (9482, 68160), (10344, 62480), (10560, 61202), (11360, 56892), (11715, 55168), (12496, 51720), (12930, 49984), (13632, 47410), (13792, 46860), (14223, 45440), (15620, 41376), (17040, 37928), (17240, 37488), (18744, 34480), (18964, 34080), (20688, 31240), (21120, 30601), (22720, 28446), (23430, 27584), (23705, 27264), (24992, 25860)]