28715400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 114903360

約数和(自身を除く): 86187960

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, 42, 43, 45, 50, 53, 56, 60, 63, 70, 72, 75, 84, 86, 90, 100, 105, 106, 120, 126, 129, 140, 150, 159, 168, 172, 175, 180, 200, 210, 212, 215, 225, 252, 258, 265, 280, 300, 301, 315, 318, 344, 350, 360, 371, 387, 420, 424, 430, 450, 477, 504, 516, 525, 530, 600, 602, 630, 636, 645, 700, 742, 774, 795, 840, 860, 900, 903, 954, 1032, 1050, 1060, 1075, 1113, 1204, 1260, 1272, 1290, 1325, 1400, 1484, 1505, 1548, 1575, 1590, 1720, 1800, 1806, 1855, 1908, 1935, 2100, 2120, 2150, 2226, 2279, 2385, 2408, 2520, 2580, 2650, 2709, 2968, 3010, 3096, 3150, 3180, 3225, 3339, 3612, 3710, 3816, 3870, 3975, 4200, 4300, 4452, 4515, 4558, 4770, 5160, 5300, 5418, 5565, 6020, 6300, 6360, 6450, 6678, 6837, 7224, 7420, 7525, 7740, 7950, 8600, 8904, 9030, 9116, 9275, 9540, 9675, 10600, 10836, 11130, 11395, 11925, 12040, 12600, 12900, 13356, 13545, 13674, 14840, 15050, 15480, 15900, 15953, 16695, 18060, 18232, 18550, 19080, 19350, 20511, 21672, 22260, 22575, 22790, 23850, 25800, 26712, 27090, 27348, 27825, 30100, 31800, 31906, 33390, 34185, 36120, 37100, 38700, 41022, 44520, 45150, 45580, 47700, 47859, 54180, 54696, 55650, 56975, 60200, 63812, 66780, 67725, 68370, 74200, 77400, 79765, 82044, 83475, 90300, 91160, 95400, 95718, 102555, 108360, 111300, 113950, 127624, 133560, 135450, 136740, 143577, 159530, 164088, 166950, 170925, 180600, 191436, 205110, 222600, 227900, 239295, 270900, 273480, 287154, 319060, 333900, 341850, 382872, 398825, 410220, 455800, 478590, 512775, 541800, 574308, 638120, 667800, 683700, 717885, 797650, 820440, 957180, 1025550, 1148616, 1196475, 1367400, 1435770, 1595300, 1914360, 2051100, 2392950, 2871540, 3190600, 3589425, 4102200, 4785900, 5743080, 7178850, 9571800, 14357700, 28715400]

約数ペア:

[(1, 28715400), (2, 14357700), (3, 9571800), (4, 7178850), (5, 5743080), (6, 4785900), (7, 4102200), (8, 3589425), (9, 3190600), (10, 2871540), (12, 2392950), (14, 2051100), (15, 1914360), (18, 1595300), (20, 1435770), (21, 1367400), (24, 1196475), (25, 1148616), (28, 1025550), (30, 957180), (35, 820440), (36, 797650), (40, 717885), (42, 683700), (43, 667800), (45, 638120), (50, 574308), (53, 541800), (56, 512775), (60, 478590), (63, 455800), (70, 410220), (72, 398825), (75, 382872), (84, 341850), (86, 333900), (90, 319060), (100, 287154), (105, 273480), (106, 270900), (120, 239295), (126, 227900), (129, 222600), (140, 205110), (150, 191436), (159, 180600), (168, 170925), (172, 166950), (175, 164088), (180, 159530), (200, 143577), (210, 136740), (212, 135450), (215, 133560), (225, 127624), (252, 113950), (258, 111300), (265, 108360), (280, 102555), (300, 95718), (301, 95400), (315, 91160), (318, 90300), (344, 83475), (350, 82044), (360, 79765), (371, 77400), (387, 74200), (420, 68370), (424, 67725), (430, 66780), (450, 63812), (477, 60200), (504, 56975), (516, 55650), (525, 54696), (530, 54180), (600, 47859), (602, 47700), (630, 45580), (636, 45150), (645, 44520), (700, 41022), (742, 38700), (774, 37100), (795, 36120), (840, 34185), (860, 33390), (900, 31906), (903, 31800), (954, 30100), (1032, 27825), (1050, 27348), (1060, 27090), (1075, 26712), (1113, 25800), (1204, 23850), (1260, 22790), (1272, 22575), (1290, 22260), (1325, 21672), (1400, 20511), (1484, 19350), (1505, 19080), (1548, 18550), (1575, 18232), (1590, 18060), (1720, 16695), (1800, 15953), (1806, 15900), (1855, 15480), (1908, 15050), (1935, 14840), (2100, 13674), (2120, 13545), (2150, 13356), (2226, 12900), (2279, 12600), (2385, 12040), (2408, 11925), (2520, 11395), (2580, 11130), (2650, 10836), (2709, 10600), (2968, 9675), (3010, 9540), (3096, 9275), (3150, 9116), (3180, 9030), (3225, 8904), (3339, 8600), (3612, 7950), (3710, 7740), (3816, 7525), (3870, 7420), (3975, 7224), (4200, 6837), (4300, 6678), (4452, 6450), (4515, 6360), (4558, 6300), (4770, 6020), (5160, 5565), (5300, 5418)]