68215840

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 206841600

約数和(自身を除く): 138625760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 113, 140, 154, 160, 176, 196, 220, 224, 226, 245, 280, 308, 343, 352, 385, 392, 440, 452, 490, 539, 560, 565, 616, 686, 770, 784, 791, 880, 904, 980, 1078, 1120, 1130, 1232, 1243, 1372, 1540, 1568, 1582, 1715, 1760, 1808, 1960, 2156, 2260, 2464, 2486, 2695, 2744, 3080, 3164, 3430, 3616, 3773, 3920, 3955, 4312, 4520, 4972, 5390, 5488, 5537, 6160, 6215, 6328, 6860, 7546, 7840, 7910, 8624, 8701, 9040, 9944, 10780, 10976, 11074, 12320, 12430, 12656, 13720, 15092, 15820, 17248, 17402, 18080, 18865, 19888, 21560, 22148, 24860, 25312, 27440, 27685, 30184, 31640, 34804, 37730, 38759, 39776, 43120, 43505, 44296, 49720, 54880, 55370, 60368, 60907, 63280, 69608, 75460, 77518, 86240, 87010, 88592, 99440, 110740, 120736, 121814, 126560, 139216, 150920, 155036, 174020, 177184, 193795, 198880, 221480, 243628, 278432, 301840, 304535, 310072, 348040, 387590, 426349, 442960, 487256, 603680, 609070, 620144, 696080, 775180, 852698, 885920, 974512, 1218140, 1240288, 1392160, 1550360, 1705396, 1949024, 2131745, 2436280, 3100720, 3410792, 4263490, 4872560, 6201440, 6821584, 8526980, 9745120, 13643168, 17053960, 34107920, 68215840]

約数ペア:

[(1, 68215840), (2, 34107920), (4, 17053960), (5, 13643168), (7, 9745120), (8, 8526980), (10, 6821584), (11, 6201440), (14, 4872560), (16, 4263490), (20, 3410792), (22, 3100720), (28, 2436280), (32, 2131745), (35, 1949024), (40, 1705396), (44, 1550360), (49, 1392160), (55, 1240288), (56, 1218140), (70, 974512), (77, 885920), (80, 852698), (88, 775180), (98, 696080), (110, 620144), (112, 609070), (113, 603680), (140, 487256), (154, 442960), (160, 426349), (176, 387590), (196, 348040), (220, 310072), (224, 304535), (226, 301840), (245, 278432), (280, 243628), (308, 221480), (343, 198880), (352, 193795), (385, 177184), (392, 174020), (440, 155036), (452, 150920), (490, 139216), (539, 126560), (560, 121814), (565, 120736), (616, 110740), (686, 99440), (770, 88592), (784, 87010), (791, 86240), (880, 77518), (904, 75460), (980, 69608), (1078, 63280), (1120, 60907), (1130, 60368), (1232, 55370), (1243, 54880), (1372, 49720), (1540, 44296), (1568, 43505), (1582, 43120), (1715, 39776), (1760, 38759), (1808, 37730), (1960, 34804), (2156, 31640), (2260, 30184), (2464, 27685), (2486, 27440), (2695, 25312), (2744, 24860), (3080, 22148), (3164, 21560), (3430, 19888), (3616, 18865), (3773, 18080), (3920, 17402), (3955, 17248), (4312, 15820), (4520, 15092), (4972, 13720), (5390, 12656), (5488, 12430), (5537, 12320), (6160, 11074), (6215, 10976), (6328, 10780), (6860, 9944), (7546, 9040), (7840, 8701), (7910, 8624)]