255710880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:1003

約数の個数: 144

約数和(自身を含む): 877443840

約数和(自身を除く): 621732960

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, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 717, 720, 743, 956, 1195, 1434, 1440, 1486, 1912, 2151, 2229, 2390, 2868, 2972, 3585, 3715, 3824, 4302, 4458, 4780, 5736, 5944, 6687, 7170, 7430, 7648, 8604, 8916, 9560, 10755, 11145, 11472, 11888, 13374, 14340, 14860, 17208, 17832, 19120, 21510, 22290, 22944, 23776, 26748, 28680, 29720, 33435, 34416, 35664, 38240, 43020, 44580, 53496, 57360, 59440, 66870, 68832, 71328, 86040, 89160, 106992, 114720, 118880, 133740, 172080, 177577, 178320, 213984, 267480, 344160, 355154, 356640, 532731, 534960, 710308, 887885, 1065462, 1069920, 1420616, 1598193, 1775770, 2130924, 2663655, 2841232, 3196386, 3551540, 4261848, 5327310, 5682464, 6392772, 7103080, 7990965, 8523696, 10654620, 12785544, 14206160, 15981930, 17047392, 21309240, 25571088, 28412320, 31963860, 42618480, 51142176, 63927720, 85236960, 127855440, 255710880]

約数ペア:

[(1, 255710880), (2, 127855440), (3, 85236960), (4, 63927720), (5, 51142176), (6, 42618480), (8, 31963860), (9, 28412320), (10, 25571088), (12, 21309240), (15, 17047392), (16, 15981930), (18, 14206160), (20, 12785544), (24, 10654620), (30, 8523696), (32, 7990965), (36, 7103080), (40, 6392772), (45, 5682464), (48, 5327310), (60, 4261848), (72, 3551540), (80, 3196386), (90, 2841232), (96, 2663655), (120, 2130924), (144, 1775770), (160, 1598193), (180, 1420616), (239, 1069920), (240, 1065462), (288, 887885), (360, 710308), (478, 534960), (480, 532731), (717, 356640), (720, 355154), (743, 344160), (956, 267480), (1195, 213984), (1434, 178320), (1440, 177577), (1486, 172080), (1912, 133740), (2151, 118880), (2229, 114720), (2390, 106992), (2868, 89160), (2972, 86040), (3585, 71328), (3715, 68832), (3824, 66870), (4302, 59440), (4458, 57360), (4780, 53496), (5736, 44580), (5944, 43020), (6687, 38240), (7170, 35664), (7430, 34416), (7648, 33435), (8604, 29720), (8916, 28680), (9560, 26748), (10755, 23776), (11145, 22944), (11472, 22290), (11888, 21510), (13374, 19120), (14340, 17832), (14860, 17208)]