387258240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 128

約数和(自身を含む): 1247231520

約数和(自身を除く): 859973280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 303, 320, 384, 404, 480, 505, 606, 640, 808, 960, 1010, 1212, 1515, 1616, 1920, 1997, 2020, 2424, 3030, 3232, 3994, 4040, 4848, 5991, 6060, 6464, 7988, 8080, 9696, 9985, 11982, 12120, 12928, 15976, 16160, 19392, 19970, 23964, 24240, 29955, 31952, 32320, 38784, 39940, 47928, 48480, 59910, 63904, 64640, 79880, 95856, 96960, 119820, 127808, 159760, 191712, 193920, 201697, 239640, 255616, 319520, 383424, 403394, 479280, 605091, 639040, 766848, 806788, 958560, 1008485, 1210182, 1278080, 1613576, 1917120, 2016970, 2420364, 3025455, 3227152, 3834240, 4033940, 4840728, 6050910, 6454304, 8067880, 9681456, 12101820, 12908608, 16135760, 19362912, 24203640, 25817216, 32271520, 38725824, 48407280, 64543040, 77451648, 96814560, 129086080, 193629120, 387258240]

約数ペア:

[(1, 387258240), (2, 193629120), (3, 129086080), (4, 96814560), (5, 77451648), (6, 64543040), (8, 48407280), (10, 38725824), (12, 32271520), (15, 25817216), (16, 24203640), (20, 19362912), (24, 16135760), (30, 12908608), (32, 12101820), (40, 9681456), (48, 8067880), (60, 6454304), (64, 6050910), (80, 4840728), (96, 4033940), (101, 3834240), (120, 3227152), (128, 3025455), (160, 2420364), (192, 2016970), (202, 1917120), (240, 1613576), (303, 1278080), (320, 1210182), (384, 1008485), (404, 958560), (480, 806788), (505, 766848), (606, 639040), (640, 605091), (808, 479280), (960, 403394), (1010, 383424), (1212, 319520), (1515, 255616), (1616, 239640), (1920, 201697), (1997, 193920), (2020, 191712), (2424, 159760), (3030, 127808), (3232, 119820), (3994, 96960), (4040, 95856), (4848, 79880), (5991, 64640), (6060, 63904), (6464, 59910), (7988, 48480), (8080, 47928), (9696, 39940), (9985, 38784), (11982, 32320), (12120, 31952), (12928, 29955), (15976, 24240), (16160, 23964), (19392, 19970)]