255105840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1459

約数の個数: 160

約数和(自身を含む): 875515392

約数和(自身を除く): 620409552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 355, 426, 440, 528, 568, 660, 710, 781, 852, 880, 1065, 1136, 1320, 1361, 1420, 1562, 1704, 2130, 2343, 2640, 2722, 2840, 3124, 3408, 3905, 4083, 4260, 4686, 5444, 5680, 6248, 6805, 7810, 8166, 8520, 9372, 10888, 11715, 12496, 13610, 14971, 15620, 16332, 17040, 18744, 20415, 21776, 23430, 27220, 29942, 31240, 32664, 37488, 40830, 44913, 46860, 54440, 59884, 62480, 65328, 74855, 81660, 89826, 93720, 96631, 108880, 119768, 149710, 163320, 179652, 187440, 193262, 224565, 239536, 289893, 299420, 326640, 359304, 386524, 449130, 483155, 579786, 598840, 718608, 773048, 898260, 966310, 1062941, 1159572, 1197680, 1449465, 1546096, 1796520, 1932620, 2125882, 2319144, 2898930, 3188823, 3593040, 3865240, 4251764, 4638288, 5314705, 5797860, 6377646, 7730480, 8503528, 10629410, 11595720, 12755292, 15944115, 17007056, 21258820, 23191440, 25510584, 31888230, 42517640, 51021168, 63776460, 85035280, 127552920, 255105840]

約数ペア:

[(1, 255105840), (2, 127552920), (3, 85035280), (4, 63776460), (5, 51021168), (6, 42517640), (8, 31888230), (10, 25510584), (11, 23191440), (12, 21258820), (15, 17007056), (16, 15944115), (20, 12755292), (22, 11595720), (24, 10629410), (30, 8503528), (33, 7730480), (40, 6377646), (44, 5797860), (48, 5314705), (55, 4638288), (60, 4251764), (66, 3865240), (71, 3593040), (80, 3188823), (88, 2898930), (110, 2319144), (120, 2125882), (132, 1932620), (142, 1796520), (165, 1546096), (176, 1449465), (213, 1197680), (220, 1159572), (240, 1062941), (264, 966310), (284, 898260), (330, 773048), (355, 718608), (426, 598840), (440, 579786), (528, 483155), (568, 449130), (660, 386524), (710, 359304), (781, 326640), (852, 299420), (880, 289893), (1065, 239536), (1136, 224565), (1320, 193262), (1361, 187440), (1420, 179652), (1562, 163320), (1704, 149710), (2130, 119768), (2343, 108880), (2640, 96631), (2722, 93720), (2840, 89826), (3124, 81660), (3408, 74855), (3905, 65328), (4083, 62480), (4260, 59884), (4686, 54440), (5444, 46860), (5680, 44913), (6248, 40830), (6805, 37488), (7810, 32664), (8166, 31240), (8520, 29942), (9372, 27220), (10888, 23430), (11715, 21776), (12496, 20415), (13610, 18744), (14971, 17040), (15620, 16332)]