266535520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 718502400

約数和(自身を除く): 451966880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 32, 34, 40, 58, 62, 68, 80, 85, 109, 116, 124, 136, 145, 155, 160, 170, 218, 232, 248, 272, 290, 310, 340, 436, 464, 493, 496, 527, 544, 545, 580, 620, 680, 872, 899, 928, 986, 992, 1054, 1090, 1160, 1240, 1360, 1744, 1798, 1853, 1972, 2108, 2180, 2320, 2465, 2480, 2635, 2720, 3161, 3379, 3488, 3596, 3706, 3944, 4216, 4360, 4495, 4640, 4930, 4960, 5270, 6322, 6758, 7192, 7412, 7888, 8432, 8720, 8990, 9265, 9860, 10540, 12644, 13516, 14384, 14824, 15283, 15776, 15805, 16864, 16895, 17440, 17980, 18530, 19720, 21080, 25288, 27032, 28768, 29648, 30566, 31610, 33790, 35960, 37060, 39440, 42160, 50576, 53737, 54064, 57443, 59296, 61132, 63220, 67580, 71920, 74120, 76415, 78880, 84320, 97991, 101152, 107474, 108128, 114886, 122264, 126440, 135160, 143840, 148240, 152830, 195982, 214948, 229772, 244528, 252880, 268685, 270320, 287215, 296480, 305660, 391964, 429896, 459544, 489056, 489955, 505760, 537370, 540640, 574430, 611320, 783928, 859792, 919088, 979910, 1074740, 1148860, 1222640, 1567856, 1665847, 1719584, 1838176, 1959820, 2149480, 2297720, 2445280, 3135712, 3331694, 3919640, 4298960, 4595440, 6663388, 7839280, 8329235, 8597920, 9190880, 13326776, 15678560, 16658470, 26653552, 33316940, 53307104, 66633880, 133267760, 266535520]

約数ペア:

[(1, 266535520), (2, 133267760), (4, 66633880), (5, 53307104), (8, 33316940), (10, 26653552), (16, 16658470), (17, 15678560), (20, 13326776), (29, 9190880), (31, 8597920), (32, 8329235), (34, 7839280), (40, 6663388), (58, 4595440), (62, 4298960), (68, 3919640), (80, 3331694), (85, 3135712), (109, 2445280), (116, 2297720), (124, 2149480), (136, 1959820), (145, 1838176), (155, 1719584), (160, 1665847), (170, 1567856), (218, 1222640), (232, 1148860), (248, 1074740), (272, 979910), (290, 919088), (310, 859792), (340, 783928), (436, 611320), (464, 574430), (493, 540640), (496, 537370), (527, 505760), (544, 489955), (545, 489056), (580, 459544), (620, 429896), (680, 391964), (872, 305660), (899, 296480), (928, 287215), (986, 270320), (992, 268685), (1054, 252880), (1090, 244528), (1160, 229772), (1240, 214948), (1360, 195982), (1744, 152830), (1798, 148240), (1853, 143840), (1972, 135160), (2108, 126440), (2180, 122264), (2320, 114886), (2465, 108128), (2480, 107474), (2635, 101152), (2720, 97991), (3161, 84320), (3379, 78880), (3488, 76415), (3596, 74120), (3706, 71920), (3944, 67580), (4216, 63220), (4360, 61132), (4495, 59296), (4640, 57443), (4930, 54064), (4960, 53737), (5270, 50576), (6322, 42160), (6758, 39440), (7192, 37060), (7412, 35960), (7888, 33790), (8432, 31610), (8720, 30566), (8990, 29648), (9265, 28768), (9860, 27032), (10540, 25288), (12644, 21080), (13516, 19720), (14384, 18530), (14824, 17980), (15283, 17440), (15776, 16895), (15805, 16864)]