256837350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 816947712

約数和(自身を除く): 560110362

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 37, 42, 50, 55, 66, 70, 74, 75, 77, 105, 110, 111, 150, 154, 165, 175, 185, 210, 222, 231, 259, 275, 330, 350, 370, 385, 407, 462, 518, 525, 550, 555, 601, 770, 777, 814, 825, 925, 1050, 1110, 1155, 1202, 1221, 1295, 1554, 1650, 1803, 1850, 1925, 2035, 2310, 2442, 2590, 2775, 2849, 3005, 3606, 3850, 3885, 4070, 4207, 5550, 5698, 5775, 6010, 6105, 6475, 6611, 7770, 8414, 8547, 9015, 10175, 11550, 12210, 12621, 12950, 13222, 14245, 15025, 17094, 18030, 19425, 19833, 20350, 21035, 22237, 25242, 28490, 30050, 30525, 33055, 38850, 39666, 42070, 42735, 44474, 45075, 46277, 61050, 63105, 66110, 66711, 71225, 85470, 90150, 92554, 99165, 105175, 111185, 126210, 133422, 138831, 142450, 155659, 165275, 198330, 210350, 213675, 222370, 231385, 244607, 277662, 311318, 315525, 330550, 333555, 427350, 462770, 466977, 489214, 495825, 555925, 631050, 667110, 694155, 733821, 778295, 933954, 991650, 1111850, 1156925, 1223035, 1388310, 1467642, 1556590, 1667775, 1712249, 2313850, 2334885, 2446070, 3335550, 3424498, 3470775, 3669105, 3891475, 4669770, 5136747, 6115175, 6941550, 7338210, 7782950, 8561245, 10273494, 11674425, 12230350, 17122490, 18345525, 23348850, 25683735, 36691050, 42806225, 51367470, 85612450, 128418675, 256837350]

約数ペア:

[(1, 256837350), (2, 128418675), (3, 85612450), (5, 51367470), (6, 42806225), (7, 36691050), (10, 25683735), (11, 23348850), (14, 18345525), (15, 17122490), (21, 12230350), (22, 11674425), (25, 10273494), (30, 8561245), (33, 7782950), (35, 7338210), (37, 6941550), (42, 6115175), (50, 5136747), (55, 4669770), (66, 3891475), (70, 3669105), (74, 3470775), (75, 3424498), (77, 3335550), (105, 2446070), (110, 2334885), (111, 2313850), (150, 1712249), (154, 1667775), (165, 1556590), (175, 1467642), (185, 1388310), (210, 1223035), (222, 1156925), (231, 1111850), (259, 991650), (275, 933954), (330, 778295), (350, 733821), (370, 694155), (385, 667110), (407, 631050), (462, 555925), (518, 495825), (525, 489214), (550, 466977), (555, 462770), (601, 427350), (770, 333555), (777, 330550), (814, 315525), (825, 311318), (925, 277662), (1050, 244607), (1110, 231385), (1155, 222370), (1202, 213675), (1221, 210350), (1295, 198330), (1554, 165275), (1650, 155659), (1803, 142450), (1850, 138831), (1925, 133422), (2035, 126210), (2310, 111185), (2442, 105175), (2590, 99165), (2775, 92554), (2849, 90150), (3005, 85470), (3606, 71225), (3850, 66711), (3885, 66110), (4070, 63105), (4207, 61050), (5550, 46277), (5698, 45075), (5775, 44474), (6010, 42735), (6105, 42070), (6475, 39666), (6611, 38850), (7770, 33055), (8414, 30525), (8547, 30050), (9015, 28490), (10175, 25242), (11550, 22237), (12210, 21035), (12621, 20350), (12950, 19833), (13222, 19425), (14245, 18030), (15025, 17094)]