208245840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 726703488

約数和(自身を除く): 518457648

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, 101, 110, 120, 121, 132, 142, 165, 176, 202, 213, 220, 240, 242, 264, 284, 303, 330, 355, 363, 404, 426, 440, 484, 505, 528, 568, 605, 606, 660, 710, 726, 781, 808, 852, 880, 968, 1010, 1065, 1111, 1136, 1210, 1212, 1320, 1420, 1452, 1515, 1562, 1616, 1704, 1815, 1936, 2020, 2130, 2222, 2343, 2420, 2424, 2640, 2840, 2904, 3030, 3124, 3333, 3408, 3630, 3905, 4040, 4260, 4444, 4686, 4840, 4848, 5555, 5680, 5808, 6060, 6248, 6666, 7171, 7260, 7810, 8080, 8520, 8591, 8888, 9372, 9680, 11110, 11715, 12120, 12221, 12496, 13332, 14342, 14520, 15620, 16665, 17040, 17182, 17776, 18744, 21513, 22220, 23430, 24240, 24442, 25773, 26664, 28684, 29040, 31240, 33330, 34364, 35855, 36663, 37488, 42955, 43026, 44440, 46860, 48884, 51546, 53328, 57368, 61105, 62480, 66660, 68728, 71710, 73326, 78881, 85910, 86052, 88880, 93720, 97768, 103092, 107565, 114736, 122210, 128865, 133320, 137456, 143420, 146652, 157762, 171820, 172104, 183315, 187440, 195536, 206184, 215130, 236643, 244420, 257730, 266640, 286840, 293304, 315524, 343640, 344208, 366630, 394405, 412368, 430260, 473286, 488840, 515460, 573680, 586608, 631048, 687280, 733260, 788810, 860520, 867691, 946572, 977680, 1030920, 1183215, 1262096, 1466520, 1577620, 1721040, 1735382, 1893144, 2061840, 2366430, 2603073, 2933040, 3155240, 3470764, 3786288, 4338455, 4732860, 5206146, 6310480, 6941528, 8676910, 9465720, 10412292, 13015365, 13883056, 17353820, 18931440, 20824584, 26030730, 34707640, 41649168, 52061460, 69415280, 104122920, 208245840]

約数ペア:

[(1, 208245840), (2, 104122920), (3, 69415280), (4, 52061460), (5, 41649168), (6, 34707640), (8, 26030730), (10, 20824584), (11, 18931440), (12, 17353820), (15, 13883056), (16, 13015365), (20, 10412292), (22, 9465720), (24, 8676910), (30, 6941528), (33, 6310480), (40, 5206146), (44, 4732860), (48, 4338455), (55, 3786288), (60, 3470764), (66, 3155240), (71, 2933040), (80, 2603073), (88, 2366430), (101, 2061840), (110, 1893144), (120, 1735382), (121, 1721040), (132, 1577620), (142, 1466520), (165, 1262096), (176, 1183215), (202, 1030920), (213, 977680), (220, 946572), (240, 867691), (242, 860520), (264, 788810), (284, 733260), (303, 687280), (330, 631048), (355, 586608), (363, 573680), (404, 515460), (426, 488840), (440, 473286), (484, 430260), (505, 412368), (528, 394405), (568, 366630), (605, 344208), (606, 343640), (660, 315524), (710, 293304), (726, 286840), (781, 266640), (808, 257730), (852, 244420), (880, 236643), (968, 215130), (1010, 206184), (1065, 195536), (1111, 187440), (1136, 183315), (1210, 172104), (1212, 171820), (1320, 157762), (1420, 146652), (1452, 143420), (1515, 137456), (1562, 133320), (1616, 128865), (1704, 122210), (1815, 114736), (1936, 107565), (2020, 103092), (2130, 97768), (2222, 93720), (2343, 88880), (2420, 86052), (2424, 85910), (2640, 78881), (2840, 73326), (2904, 71710), (3030, 68728), (3124, 66660), (3333, 62480), (3408, 61105), (3630, 57368), (3905, 53328), (4040, 51546), (4260, 48884), (4444, 46860), (4686, 44440), (4840, 43026), (4848, 42955), (5555, 37488), (5680, 36663), (5808, 35855), (6060, 34364), (6248, 33330), (6666, 31240), (7171, 29040), (7260, 28684), (7810, 26664), (8080, 25773), (8520, 24442), (8591, 24240), (8888, 23430), (9372, 22220), (9680, 21513), (11110, 18744), (11715, 17776), (12120, 17182), (12221, 17040), (12496, 16665), (13332, 15620), (14342, 14520)]