28336140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:588

約数の個数: 144

約数和(自身を含む): 100708608

約数和(自身を除く): 72372468

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, 523, 602, 630, 645, 774, 860, 903, 1046, 1204, 1260, 1290, 1505, 1548, 1569, 1806, 1935, 2092, 2580, 2615, 2709, 3010, 3138, 3612, 3661, 3870, 4515, 4707, 5230, 5418, 6020, 6276, 7322, 7740, 7845, 9030, 9414, 10460, 10836, 10983, 13545, 14644, 15690, 18060, 18305, 18828, 21966, 22489, 23535, 27090, 31380, 32949, 36610, 43932, 44978, 47070, 54180, 54915, 65898, 67467, 73220, 89956, 94140, 109830, 112445, 131796, 134934, 157423, 164745, 202401, 219660, 224890, 269868, 314846, 329490, 337335, 404802, 449780, 472269, 629692, 658980, 674670, 787115, 809604, 944538, 1012005, 1349340, 1416807, 1574230, 1889076, 2024010, 2361345, 2833614, 3148460, 4048020, 4722690, 5667228, 7084035, 9445380, 14168070, 28336140]

約数ペア:

[(1, 28336140), (2, 14168070), (3, 9445380), (4, 7084035), (5, 5667228), (6, 4722690), (7, 4048020), (9, 3148460), (10, 2833614), (12, 2361345), (14, 2024010), (15, 1889076), (18, 1574230), (20, 1416807), (21, 1349340), (28, 1012005), (30, 944538), (35, 809604), (36, 787115), (42, 674670), (43, 658980), (45, 629692), (60, 472269), (63, 449780), (70, 404802), (84, 337335), (86, 329490), (90, 314846), (105, 269868), (126, 224890), (129, 219660), (140, 202401), (172, 164745), (180, 157423), (210, 134934), (215, 131796), (252, 112445), (258, 109830), (301, 94140), (315, 89956), (387, 73220), (420, 67467), (430, 65898), (516, 54915), (523, 54180), (602, 47070), (630, 44978), (645, 43932), (774, 36610), (860, 32949), (903, 31380), (1046, 27090), (1204, 23535), (1260, 22489), (1290, 21966), (1505, 18828), (1548, 18305), (1569, 18060), (1806, 15690), (1935, 14644), (2092, 13545), (2580, 10983), (2615, 10836), (2709, 10460), (3010, 9414), (3138, 9030), (3612, 7845), (3661, 7740), (3870, 7322), (4515, 6276), (4707, 6020), (5230, 5418)]