256519467120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4925489}}^1$

素因数の和:4925543

約数の個数: 160

約数和(自身を含む): 938128527360

約数和(自身を除く): 681609060240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 52080, 4925489, 9850978, 14776467, 19701956, 24627445, 29552934, 34478423, 39403912, 49254890, 59105868, 68956846, 73882335, 78807824, 98509780, 103435269, 118211736, 137913692, 147764670, 152690159, 172392115, 197019560, 206870538, 236423472, 275827384, 295529340, 305380318, 344784230, 394039120, 413741076, 458070477, 517176345, 551654768, 591058680, 610760636, 689568460, 763450795, 827482152, 916140954, 1034352690, 1068831113, 1182117360, 1221521272, 1379136920, 1526901590, 1654964304, 1832281908, 2068705380, 2137662226, 2290352385, 2443042544, 2758273840, 3053803180, 3206493339, 3664563816, 4137410760, 4275324452, 4580704770, 5344155565, 6107606360, 6412986678, 7329127632, 8274821520, 8550648904, 9161409540, 10688311130, 12215212720, 12825973356, 16032466695, 17101297808, 18322819080, 21376622260, 25651946712, 32064933390, 36645638160, 42753244520, 51303893424, 64129866780, 85506489040, 128259733560, 256519467120]

約数ペア:

[(1, 256519467120), (2, 128259733560), (3, 85506489040), (4, 64129866780), (5, 51303893424), (6, 42753244520), (7, 36645638160), (8, 32064933390), (10, 25651946712), (12, 21376622260), (14, 18322819080), (15, 17101297808), (16, 16032466695), (20, 12825973356), (21, 12215212720), (24, 10688311130), (28, 9161409540), (30, 8550648904), (31, 8274821520), (35, 7329127632), (40, 6412986678), (42, 6107606360), (48, 5344155565), (56, 4580704770), (60, 4275324452), (62, 4137410760), (70, 3664563816), (80, 3206493339), (84, 3053803180), (93, 2758273840), (105, 2443042544), (112, 2290352385), (120, 2137662226), (124, 2068705380), (140, 1832281908), (155, 1654964304), (168, 1526901590), (186, 1379136920), (210, 1221521272), (217, 1182117360), (240, 1068831113), (248, 1034352690), (280, 916140954), (310, 827482152), (336, 763450795), (372, 689568460), (420, 610760636), (434, 591058680), (465, 551654768), (496, 517176345), (560, 458070477), (620, 413741076), (651, 394039120), (744, 344784230), (840, 305380318), (868, 295529340), (930, 275827384), (1085, 236423472), (1240, 206870538), (1302, 197019560), (1488, 172392115), (1680, 152690159), (1736, 147764670), (1860, 137913692), (2170, 118211736), (2480, 103435269), (2604, 98509780), (3255, 78807824), (3472, 73882335), (3720, 68956846), (4340, 59105868), (5208, 49254890), (6510, 39403912), (7440, 34478423), (8680, 29552934), (10416, 24627445), (13020, 19701956), (17360, 14776467), (26040, 9850978), (52080, 4925489)]