279189540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5153}}^1$

素因数の和:5218

約数の個数: 144

約数和(自身を含む): 990557568

約数和(自身を除く): 711368028

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, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 5153, 5418, 6020, 7740, 9030, 10306, 10836, 13545, 15459, 18060, 20612, 25765, 27090, 30918, 36071, 46377, 51530, 54180, 61836, 72142, 77295, 92754, 103060, 108213, 144284, 154590, 180355, 185508, 216426, 221579, 231885, 309180, 324639, 360710, 432852, 443158, 463770, 541065, 649278, 664737, 721420, 886316, 927540, 1082130, 1107895, 1298556, 1329474, 1551053, 1623195, 1994211, 2164260, 2215790, 2658948, 3102106, 3246390, 3323685, 3988422, 4431580, 4653159, 6204212, 6492780, 6647370, 7755265, 7976844, 9306318, 9971055, 13294740, 13959477, 15510530, 18612636, 19942110, 23265795, 27918954, 31021060, 39884220, 46531590, 55837908, 69797385, 93063180, 139594770, 279189540]

約数ペア:

[(1, 279189540), (2, 139594770), (3, 93063180), (4, 69797385), (5, 55837908), (6, 46531590), (7, 39884220), (9, 31021060), (10, 27918954), (12, 23265795), (14, 19942110), (15, 18612636), (18, 15510530), (20, 13959477), (21, 13294740), (28, 9971055), (30, 9306318), (35, 7976844), (36, 7755265), (42, 6647370), (43, 6492780), (45, 6204212), (60, 4653159), (63, 4431580), (70, 3988422), (84, 3323685), (86, 3246390), (90, 3102106), (105, 2658948), (126, 2215790), (129, 2164260), (140, 1994211), (172, 1623195), (180, 1551053), (210, 1329474), (215, 1298556), (252, 1107895), (258, 1082130), (301, 927540), (315, 886316), (387, 721420), (420, 664737), (430, 649278), (516, 541065), (602, 463770), (630, 443158), (645, 432852), (774, 360710), (860, 324639), (903, 309180), (1204, 231885), (1260, 221579), (1290, 216426), (1505, 185508), (1548, 180355), (1806, 154590), (1935, 144284), (2580, 108213), (2709, 103060), (3010, 92754), (3612, 77295), (3870, 72142), (4515, 61836), (5153, 54180), (5418, 51530), (6020, 46377), (7740, 36071), (9030, 30918), (10306, 27090), (10836, 25765), (13545, 20612), (15459, 18060)]