12915000

素因数分解:

$2^3\times 3^2\times 5^4\times 7^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 240

約数和(自身を含む): 51171120

約数和(自身を除く): 38256120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 41, 42, 45, 50, 56, 60, 63, 70, 72, 75, 82, 84, 90, 100, 105, 120, 123, 125, 126, 140, 150, 164, 168, 175, 180, 200, 205, 210, 225, 246, 250, 252, 280, 287, 300, 315, 328, 350, 360, 369, 375, 410, 420, 450, 492, 500, 504, 525, 574, 600, 615, 625, 630, 700, 738, 750, 820, 840, 861, 875, 900, 984, 1000, 1025, 1050, 1125, 1148, 1230, 1250, 1260, 1400, 1435, 1476, 1500, 1575, 1640, 1722, 1750, 1800, 1845, 1875, 2050, 2100, 2250, 2296, 2460, 2500, 2520, 2583, 2625, 2870, 2952, 3000, 3075, 3150, 3444, 3500, 3690, 3750, 4100, 4200, 4305, 4375, 4500, 4920, 5000, 5125, 5166, 5250, 5625, 5740, 6150, 6300, 6888, 7000, 7175, 7380, 7500, 7875, 8200, 8610, 8750, 9000, 9225, 10250, 10332, 10500, 11250, 11480, 12300, 12600, 12915, 13125, 14350, 14760, 15000, 15375, 15750, 17220, 17500, 18450, 20500, 20664, 21000, 21525, 22500, 24600, 25625, 25830, 26250, 28700, 30750, 31500, 34440, 35000, 35875, 36900, 39375, 41000, 43050, 45000, 46125, 51250, 51660, 52500, 57400, 61500, 63000, 64575, 71750, 73800, 76875, 78750, 86100, 92250, 102500, 103320, 105000, 107625, 123000, 129150, 143500, 153750, 157500, 172200, 179375, 184500, 205000, 215250, 230625, 258300, 287000, 307500, 315000, 322875, 358750, 369000, 430500, 461250, 516600, 538125, 615000, 645750, 717500, 861000, 922500, 1076250, 1291500, 1435000, 1614375, 1845000, 2152500, 2583000, 3228750, 4305000, 6457500, 12915000]

約数ペア:

[(1, 12915000), (2, 6457500), (3, 4305000), (4, 3228750), (5, 2583000), (6, 2152500), (7, 1845000), (8, 1614375), (9, 1435000), (10, 1291500), (12, 1076250), (14, 922500), (15, 861000), (18, 717500), (20, 645750), (21, 615000), (24, 538125), (25, 516600), (28, 461250), (30, 430500), (35, 369000), (36, 358750), (40, 322875), (41, 315000), (42, 307500), (45, 287000), (50, 258300), (56, 230625), (60, 215250), (63, 205000), (70, 184500), (72, 179375), (75, 172200), (82, 157500), (84, 153750), (90, 143500), (100, 129150), (105, 123000), (120, 107625), (123, 105000), (125, 103320), (126, 102500), (140, 92250), (150, 86100), (164, 78750), (168, 76875), (175, 73800), (180, 71750), (200, 64575), (205, 63000), (210, 61500), (225, 57400), (246, 52500), (250, 51660), (252, 51250), (280, 46125), (287, 45000), (300, 43050), (315, 41000), (328, 39375), (350, 36900), (360, 35875), (369, 35000), (375, 34440), (410, 31500), (420, 30750), (450, 28700), (492, 26250), (500, 25830), (504, 25625), (525, 24600), (574, 22500), (600, 21525), (615, 21000), (625, 20664), (630, 20500), (700, 18450), (738, 17500), (750, 17220), (820, 15750), (840, 15375), (861, 15000), (875, 14760), (900, 14350), (984, 13125), (1000, 12915), (1025, 12600), (1050, 12300), (1125, 11480), (1148, 11250), (1230, 10500), (1250, 10332), (1260, 10250), (1400, 9225), (1435, 9000), (1476, 8750), (1500, 8610), (1575, 8200), (1640, 7875), (1722, 7500), (1750, 7380), (1800, 7175), (1845, 7000), (1875, 6888), (2050, 6300), (2100, 6150), (2250, 5740), (2296, 5625), (2460, 5250), (2500, 5166), (2520, 5125), (2583, 5000), (2625, 4920), (2870, 4500), (2952, 4375), (3000, 4305), (3075, 4200), (3150, 4100), (3444, 3750), (3500, 3690)]