128968680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1019

約数の個数: 128

約数和(自身を含む): 410618880

約数和(自身を除く): 281650200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 937, 1110, 1147, 1240, 1480, 1860, 1874, 2220, 2294, 2811, 3441, 3720, 3748, 4440, 4588, 4685, 5622, 5735, 6882, 7496, 9176, 9370, 11244, 11470, 13764, 14055, 17205, 18740, 22488, 22940, 27528, 28110, 29047, 34410, 34669, 37480, 45880, 56220, 58094, 68820, 69338, 87141, 104007, 112440, 116188, 137640, 138676, 145235, 173345, 174282, 208014, 232376, 277352, 290470, 346690, 348564, 416028, 435705, 520035, 580940, 693380, 697128, 832056, 871410, 1040070, 1074739, 1161880, 1386760, 1742820, 2080140, 2149478, 3224217, 3485640, 4160280, 4298956, 5373695, 6448434, 8597912, 10747390, 12896868, 16121085, 21494780, 25793736, 32242170, 42989560, 64484340, 128968680]

約数ペア:

[(1, 128968680), (2, 64484340), (3, 42989560), (4, 32242170), (5, 25793736), (6, 21494780), (8, 16121085), (10, 12896868), (12, 10747390), (15, 8597912), (20, 6448434), (24, 5373695), (30, 4298956), (31, 4160280), (37, 3485640), (40, 3224217), (60, 2149478), (62, 2080140), (74, 1742820), (93, 1386760), (111, 1161880), (120, 1074739), (124, 1040070), (148, 871410), (155, 832056), (185, 697128), (186, 693380), (222, 580940), (248, 520035), (296, 435705), (310, 416028), (370, 348564), (372, 346690), (444, 290470), (465, 277352), (555, 232376), (620, 208014), (740, 174282), (744, 173345), (888, 145235), (930, 138676), (937, 137640), (1110, 116188), (1147, 112440), (1240, 104007), (1480, 87141), (1860, 69338), (1874, 68820), (2220, 58094), (2294, 56220), (2811, 45880), (3441, 37480), (3720, 34669), (3748, 34410), (4440, 29047), (4588, 28110), (4685, 27528), (5622, 22940), (5735, 22488), (6882, 18740), (7496, 17205), (9176, 14055), (9370, 13764), (11244, 11470)]