562138240

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 1388016000

約数和(自身を除く): 825877760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 89, 128, 139, 142, 160, 178, 278, 284, 320, 355, 356, 445, 556, 568, 640, 695, 710, 712, 890, 1112, 1136, 1390, 1420, 1424, 1780, 2224, 2272, 2780, 2840, 2848, 3560, 4448, 4544, 5560, 5680, 5696, 6319, 7120, 8896, 9088, 9869, 11120, 11360, 11392, 12371, 12638, 14240, 17792, 19738, 22240, 22720, 24742, 25276, 28480, 31595, 39476, 44480, 45440, 49345, 49484, 50552, 56960, 61855, 63190, 78952, 88960, 98690, 98968, 101104, 123710, 126380, 157904, 197380, 197936, 202208, 247420, 252760, 315808, 394760, 395872, 404416, 494840, 505520, 631616, 789520, 791744, 808832, 878341, 989680, 1011040, 1263232, 1579040, 1583488, 1756682, 1979360, 2022080, 3158080, 3513364, 3958720, 4044160, 4391705, 6316160, 7026728, 7917440, 8783410, 14053456, 17566820, 28106912, 35133640, 56213824, 70267280, 112427648, 140534560, 281069120, 562138240]

約数ペア:

[(1, 562138240), (2, 281069120), (4, 140534560), (5, 112427648), (8, 70267280), (10, 56213824), (16, 35133640), (20, 28106912), (32, 17566820), (40, 14053456), (64, 8783410), (71, 7917440), (80, 7026728), (89, 6316160), (128, 4391705), (139, 4044160), (142, 3958720), (160, 3513364), (178, 3158080), (278, 2022080), (284, 1979360), (320, 1756682), (355, 1583488), (356, 1579040), (445, 1263232), (556, 1011040), (568, 989680), (640, 878341), (695, 808832), (710, 791744), (712, 789520), (890, 631616), (1112, 505520), (1136, 494840), (1390, 404416), (1420, 395872), (1424, 394760), (1780, 315808), (2224, 252760), (2272, 247420), (2780, 202208), (2840, 197936), (2848, 197380), (3560, 157904), (4448, 126380), (4544, 123710), (5560, 101104), (5680, 98968), (5696, 98690), (6319, 88960), (7120, 78952), (8896, 63190), (9088, 61855), (9869, 56960), (11120, 50552), (11360, 49484), (11392, 49345), (12371, 45440), (12638, 44480), (14240, 39476), (17792, 31595), (19738, 28480), (22240, 25276), (22720, 24742)]