28684440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 101930400

約数和(自身を除く): 73245960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 51, 60, 68, 72, 85, 86, 90, 102, 109, 120, 129, 136, 153, 170, 172, 180, 204, 215, 218, 255, 258, 306, 327, 340, 344, 360, 387, 408, 430, 436, 510, 516, 545, 612, 645, 654, 680, 731, 765, 774, 860, 872, 981, 1020, 1032, 1090, 1224, 1290, 1308, 1462, 1530, 1548, 1635, 1720, 1853, 1935, 1962, 2040, 2180, 2193, 2580, 2616, 2924, 3060, 3096, 3270, 3655, 3706, 3870, 3924, 4360, 4386, 4687, 4905, 5160, 5559, 5848, 6120, 6540, 6579, 7310, 7412, 7740, 7848, 8772, 9265, 9374, 9810, 10965, 11118, 13080, 13158, 14061, 14620, 14824, 15480, 16677, 17544, 18530, 18748, 19620, 21930, 22236, 23435, 26316, 27795, 28122, 29240, 32895, 33354, 37060, 37496, 39240, 42183, 43860, 44472, 46870, 52632, 55590, 56244, 65790, 66708, 70305, 74120, 79679, 83385, 84366, 87720, 93740, 111180, 112488, 131580, 133416, 140610, 159358, 166770, 168732, 187480, 210915, 222360, 239037, 263160, 281220, 318716, 333540, 337464, 398395, 421830, 478074, 562440, 637432, 667080, 717111, 796790, 843660, 956148, 1195185, 1434222, 1593580, 1687320, 1912296, 2390370, 2868444, 3187160, 3585555, 4780740, 5736888, 7171110, 9561480, 14342220, 28684440]

約数ペア:

[(1, 28684440), (2, 14342220), (3, 9561480), (4, 7171110), (5, 5736888), (6, 4780740), (8, 3585555), (9, 3187160), (10, 2868444), (12, 2390370), (15, 1912296), (17, 1687320), (18, 1593580), (20, 1434222), (24, 1195185), (30, 956148), (34, 843660), (36, 796790), (40, 717111), (43, 667080), (45, 637432), (51, 562440), (60, 478074), (68, 421830), (72, 398395), (85, 337464), (86, 333540), (90, 318716), (102, 281220), (109, 263160), (120, 239037), (129, 222360), (136, 210915), (153, 187480), (170, 168732), (172, 166770), (180, 159358), (204, 140610), (215, 133416), (218, 131580), (255, 112488), (258, 111180), (306, 93740), (327, 87720), (340, 84366), (344, 83385), (360, 79679), (387, 74120), (408, 70305), (430, 66708), (436, 65790), (510, 56244), (516, 55590), (545, 52632), (612, 46870), (645, 44472), (654, 43860), (680, 42183), (731, 39240), (765, 37496), (774, 37060), (860, 33354), (872, 32895), (981, 29240), (1020, 28122), (1032, 27795), (1090, 26316), (1224, 23435), (1290, 22236), (1308, 21930), (1462, 19620), (1530, 18748), (1548, 18530), (1635, 17544), (1720, 16677), (1853, 15480), (1935, 14824), (1962, 14620), (2040, 14061), (2180, 13158), (2193, 13080), (2580, 11118), (2616, 10965), (2924, 9810), (3060, 9374), (3096, 9265), (3270, 8772), (3655, 7848), (3706, 7740), (3870, 7412), (3924, 7310), (4360, 6579), (4386, 6540), (4687, 6120), (4905, 5848), (5160, 5559)]