255353820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 792723456

約数和(自身を除く): 537369636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 47, 60, 62, 69, 92, 93, 94, 115, 124, 127, 138, 141, 155, 186, 188, 230, 235, 254, 276, 282, 310, 345, 372, 381, 460, 465, 470, 508, 564, 620, 635, 690, 705, 713, 762, 930, 940, 1081, 1270, 1380, 1410, 1426, 1457, 1524, 1860, 1905, 2139, 2162, 2540, 2820, 2852, 2914, 2921, 3243, 3565, 3810, 3937, 4278, 4324, 4371, 5405, 5828, 5842, 5969, 6486, 7130, 7285, 7620, 7874, 8556, 8742, 8763, 10695, 10810, 11684, 11811, 11938, 12972, 14260, 14570, 14605, 15748, 16215, 17484, 17526, 17907, 19685, 21390, 21620, 21855, 23622, 23876, 29140, 29210, 29845, 32430, 33511, 35052, 35814, 39370, 42780, 43710, 43815, 47244, 58420, 59055, 59690, 64860, 67022, 71628, 78740, 87420, 87630, 89535, 90551, 100533, 118110, 119380, 134044, 137287, 167555, 175260, 179070, 181102, 185039, 201066, 236220, 271653, 274574, 335110, 358140, 362204, 370078, 402132, 411861, 452755, 502665, 543306, 549148, 555117, 670220, 686435, 740156, 823722, 905510, 925195, 1005330, 1086612, 1110234, 1358265, 1372870, 1647444, 1811020, 1850390, 2010660, 2059305, 2220468, 2716530, 2745740, 2775585, 3700780, 4118610, 4255897, 5433060, 5551170, 8237220, 8511794, 11102340, 12767691, 17023588, 21279485, 25535382, 42558970, 51070764, 63838455, 85117940, 127676910, 255353820]

約数ペア:

[(1, 255353820), (2, 127676910), (3, 85117940), (4, 63838455), (5, 51070764), (6, 42558970), (10, 25535382), (12, 21279485), (15, 17023588), (20, 12767691), (23, 11102340), (30, 8511794), (31, 8237220), (46, 5551170), (47, 5433060), (60, 4255897), (62, 4118610), (69, 3700780), (92, 2775585), (93, 2745740), (94, 2716530), (115, 2220468), (124, 2059305), (127, 2010660), (138, 1850390), (141, 1811020), (155, 1647444), (186, 1372870), (188, 1358265), (230, 1110234), (235, 1086612), (254, 1005330), (276, 925195), (282, 905510), (310, 823722), (345, 740156), (372, 686435), (381, 670220), (460, 555117), (465, 549148), (470, 543306), (508, 502665), (564, 452755), (620, 411861), (635, 402132), (690, 370078), (705, 362204), (713, 358140), (762, 335110), (930, 274574), (940, 271653), (1081, 236220), (1270, 201066), (1380, 185039), (1410, 181102), (1426, 179070), (1457, 175260), (1524, 167555), (1860, 137287), (1905, 134044), (2139, 119380), (2162, 118110), (2540, 100533), (2820, 90551), (2852, 89535), (2914, 87630), (2921, 87420), (3243, 78740), (3565, 71628), (3810, 67022), (3937, 64860), (4278, 59690), (4324, 59055), (4371, 58420), (5405, 47244), (5828, 43815), (5842, 43710), (5969, 42780), (6486, 39370), (7130, 35814), (7285, 35052), (7620, 33511), (7874, 32430), (8556, 29845), (8742, 29210), (8763, 29140), (10695, 23876), (10810, 23622), (11684, 21855), (11811, 21620), (11938, 21390), (12972, 19685), (14260, 17907), (14570, 17526), (14605, 17484), (15748, 16215)]