255596160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:818

約数の個数: 128

約数和(自身を含む): 819590400

約数和(自身を除く): 563994240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 320, 384, 478, 480, 557, 640, 717, 956, 960, 1114, 1195, 1434, 1671, 1912, 1920, 2228, 2390, 2785, 2868, 3342, 3585, 3824, 4456, 4780, 5570, 5736, 6684, 7170, 7648, 8355, 8912, 9560, 11140, 11472, 13368, 14340, 15296, 16710, 17824, 19120, 22280, 22944, 26736, 28680, 30592, 33420, 35648, 38240, 44560, 45888, 53472, 57360, 66840, 71296, 76480, 89120, 91776, 106944, 114720, 133123, 133680, 152960, 178240, 213888, 229440, 266246, 267360, 356480, 399369, 458880, 532492, 534720, 665615, 798738, 1064984, 1069440, 1331230, 1597476, 1996845, 2129968, 2662460, 3194952, 3993690, 4259936, 5324920, 6389904, 7987380, 8519872, 10649840, 12779808, 15974760, 17039744, 21299680, 25559616, 31949520, 42599360, 51119232, 63899040, 85198720, 127798080, 255596160]

約数ペア:

[(1, 255596160), (2, 127798080), (3, 85198720), (4, 63899040), (5, 51119232), (6, 42599360), (8, 31949520), (10, 25559616), (12, 21299680), (15, 17039744), (16, 15974760), (20, 12779808), (24, 10649840), (30, 8519872), (32, 7987380), (40, 6389904), (48, 5324920), (60, 4259936), (64, 3993690), (80, 3194952), (96, 2662460), (120, 2129968), (128, 1996845), (160, 1597476), (192, 1331230), (239, 1069440), (240, 1064984), (320, 798738), (384, 665615), (478, 534720), (480, 532492), (557, 458880), (640, 399369), (717, 356480), (956, 267360), (960, 266246), (1114, 229440), (1195, 213888), (1434, 178240), (1671, 152960), (1912, 133680), (1920, 133123), (2228, 114720), (2390, 106944), (2785, 91776), (2868, 89120), (3342, 76480), (3585, 71296), (3824, 66840), (4456, 57360), (4780, 53472), (5570, 45888), (5736, 44560), (6684, 38240), (7170, 35648), (7648, 33420), (8355, 30592), (8912, 28680), (9560, 26736), (11140, 22944), (11472, 22280), (13368, 19120), (14340, 17824), (15296, 16710)]