257937360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 160

約数和(自身を含む): 848612352

約数和(自身を除く): 590674992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 74, 80, 93, 111, 120, 124, 148, 155, 185, 186, 222, 240, 248, 296, 310, 370, 372, 444, 465, 496, 555, 592, 620, 740, 744, 888, 930, 937, 1110, 1147, 1240, 1480, 1488, 1776, 1860, 1874, 2220, 2294, 2480, 2811, 2960, 3441, 3720, 3748, 4440, 4588, 4685, 5622, 5735, 6882, 7440, 7496, 8880, 9176, 9370, 11244, 11470, 13764, 14055, 14992, 17205, 18352, 18740, 22488, 22940, 27528, 28110, 29047, 34410, 34669, 37480, 44976, 45880, 55056, 56220, 58094, 68820, 69338, 74960, 87141, 91760, 104007, 112440, 116188, 137640, 138676, 145235, 173345, 174282, 208014, 224880, 232376, 275280, 277352, 290470, 346690, 348564, 416028, 435705, 464752, 520035, 554704, 580940, 693380, 697128, 832056, 871410, 1040070, 1074739, 1161880, 1386760, 1394256, 1664112, 1742820, 2080140, 2149478, 2323760, 2773520, 3224217, 3485640, 4160280, 4298956, 5373695, 6448434, 6971280, 8320560, 8597912, 10747390, 12896868, 16121085, 17195824, 21494780, 25793736, 32242170, 42989560, 51587472, 64484340, 85979120, 128968680, 257937360]

約数ペア:

[(1, 257937360), (2, 128968680), (3, 85979120), (4, 64484340), (5, 51587472), (6, 42989560), (8, 32242170), (10, 25793736), (12, 21494780), (15, 17195824), (16, 16121085), (20, 12896868), (24, 10747390), (30, 8597912), (31, 8320560), (37, 6971280), (40, 6448434), (48, 5373695), (60, 4298956), (62, 4160280), (74, 3485640), (80, 3224217), (93, 2773520), (111, 2323760), (120, 2149478), (124, 2080140), (148, 1742820), (155, 1664112), (185, 1394256), (186, 1386760), (222, 1161880), (240, 1074739), (248, 1040070), (296, 871410), (310, 832056), (370, 697128), (372, 693380), (444, 580940), (465, 554704), (496, 520035), (555, 464752), (592, 435705), (620, 416028), (740, 348564), (744, 346690), (888, 290470), (930, 277352), (937, 275280), (1110, 232376), (1147, 224880), (1240, 208014), (1480, 174282), (1488, 173345), (1776, 145235), (1860, 138676), (1874, 137640), (2220, 116188), (2294, 112440), (2480, 104007), (2811, 91760), (2960, 87141), (3441, 74960), (3720, 69338), (3748, 68820), (4440, 58094), (4588, 56220), (4685, 55056), (5622, 45880), (5735, 44976), (6882, 37480), (7440, 34669), (7496, 34410), (8880, 29047), (9176, 28110), (9370, 27528), (11244, 22940), (11470, 22488), (13764, 18740), (14055, 18352), (14992, 17205)]