285986880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 168

約数和(自身を含む): 990600000

約数和(自身を除く): 704613120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 199, 240, 288, 320, 360, 398, 480, 499, 576, 597, 720, 796, 960, 995, 998, 1194, 1440, 1497, 1592, 1791, 1990, 1996, 2388, 2495, 2880, 2985, 2994, 3184, 3582, 3980, 3992, 4491, 4776, 4990, 5970, 5988, 6368, 7164, 7485, 7960, 7984, 8955, 8982, 9552, 9980, 11940, 11976, 12736, 14328, 14970, 15920, 15968, 17910, 17964, 19104, 19960, 22455, 23880, 23952, 28656, 29940, 31840, 31936, 35820, 35928, 38208, 39920, 44910, 47760, 47904, 57312, 59880, 63680, 71640, 71856, 79840, 89820, 95520, 95808, 99301, 114624, 119760, 143280, 143712, 159680, 179640, 191040, 198602, 239520, 286560, 287424, 297903, 359280, 397204, 479040, 496505, 573120, 595806, 718560, 794408, 893709, 993010, 1191612, 1437120, 1489515, 1588816, 1787418, 1986020, 2383224, 2979030, 3177632, 3574836, 3972040, 4468545, 4766448, 5958060, 6355264, 7149672, 7944080, 8937090, 9532896, 11916120, 14299344, 15888160, 17874180, 19065792, 23832240, 28598688, 31776320, 35748360, 47664480, 57197376, 71496720, 95328960, 142993440, 285986880]

約数ペア:

[(1, 285986880), (2, 142993440), (3, 95328960), (4, 71496720), (5, 57197376), (6, 47664480), (8, 35748360), (9, 31776320), (10, 28598688), (12, 23832240), (15, 19065792), (16, 17874180), (18, 15888160), (20, 14299344), (24, 11916120), (30, 9532896), (32, 8937090), (36, 7944080), (40, 7149672), (45, 6355264), (48, 5958060), (60, 4766448), (64, 4468545), (72, 3972040), (80, 3574836), (90, 3177632), (96, 2979030), (120, 2383224), (144, 1986020), (160, 1787418), (180, 1588816), (192, 1489515), (199, 1437120), (240, 1191612), (288, 993010), (320, 893709), (360, 794408), (398, 718560), (480, 595806), (499, 573120), (576, 496505), (597, 479040), (720, 397204), (796, 359280), (960, 297903), (995, 287424), (998, 286560), (1194, 239520), (1440, 198602), (1497, 191040), (1592, 179640), (1791, 159680), (1990, 143712), (1996, 143280), (2388, 119760), (2495, 114624), (2880, 99301), (2985, 95808), (2994, 95520), (3184, 89820), (3582, 79840), (3980, 71856), (3992, 71640), (4491, 63680), (4776, 59880), (4990, 57312), (5970, 47904), (5988, 47760), (6368, 44910), (7164, 39920), (7485, 38208), (7960, 35928), (7984, 35820), (8955, 31936), (8982, 31840), (9552, 29940), (9980, 28656), (11940, 23952), (11976, 23880), (12736, 22455), (14328, 19960), (14970, 19104), (15920, 17964), (15968, 17910)]