68212620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 173949300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1259, 1260, 1290, 1505, 1548, 1806, 1935, 2518, 2580, 2709, 3010, 3612, 3777, 3870, 4515, 5036, 5418, 6020, 6295, 7554, 7740, 8813, 9030, 10836, 11331, 12590, 13545, 15108, 17626, 18060, 18885, 22662, 25180, 26439, 27090, 35252, 37770, 44065, 45324, 52878, 54137, 54180, 56655, 75540, 79317, 88130, 105756, 108274, 113310, 132195, 158634, 162411, 176260, 216548, 226620, 264390, 270685, 317268, 324822, 378959, 396585, 487233, 528780, 541370, 649644, 757918, 793170, 812055, 974466, 1082740, 1136877, 1515836, 1586340, 1624110, 1894795, 1948932, 2273754, 2436165, 3248220, 3410631, 3789590, 4547508, 4872330, 5684385, 6821262, 7579180, 9744660, 11368770, 13642524, 17053155, 22737540, 34106310, 68212620]

約数ペア:

[(1, 68212620), (2, 34106310), (3, 22737540), (4, 17053155), (5, 13642524), (6, 11368770), (7, 9744660), (9, 7579180), (10, 6821262), (12, 5684385), (14, 4872330), (15, 4547508), (18, 3789590), (20, 3410631), (21, 3248220), (28, 2436165), (30, 2273754), (35, 1948932), (36, 1894795), (42, 1624110), (43, 1586340), (45, 1515836), (60, 1136877), (63, 1082740), (70, 974466), (84, 812055), (86, 793170), (90, 757918), (105, 649644), (126, 541370), (129, 528780), (140, 487233), (172, 396585), (180, 378959), (210, 324822), (215, 317268), (252, 270685), (258, 264390), (301, 226620), (315, 216548), (387, 176260), (420, 162411), (430, 158634), (516, 132195), (602, 113310), (630, 108274), (645, 105756), (774, 88130), (860, 79317), (903, 75540), (1204, 56655), (1259, 54180), (1260, 54137), (1290, 52878), (1505, 45324), (1548, 44065), (1806, 37770), (1935, 35252), (2518, 27090), (2580, 26439), (2709, 25180), (3010, 22662), (3612, 18885), (3777, 18060), (3870, 17626), (4515, 15108), (5036, 13545), (5418, 12590), (6020, 11331), (6295, 10836), (7554, 9030), (7740, 8813)]