80920840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 256

約数和(自身を含む): 255467520

約数和(自身を除く): 174546680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 43, 44, 47, 52, 55, 56, 65, 70, 77, 86, 88, 91, 94, 104, 110, 130, 140, 143, 154, 172, 182, 188, 215, 220, 235, 260, 280, 286, 301, 308, 329, 344, 364, 376, 385, 430, 440, 455, 470, 473, 517, 520, 559, 572, 602, 611, 616, 658, 715, 728, 770, 860, 910, 940, 946, 1001, 1034, 1118, 1144, 1204, 1222, 1316, 1430, 1505, 1540, 1645, 1720, 1820, 1880, 1892, 2002, 2021, 2068, 2236, 2365, 2408, 2444, 2585, 2632, 2795, 2860, 3010, 3055, 3080, 3290, 3311, 3619, 3640, 3784, 3913, 4004, 4042, 4136, 4277, 4472, 4730, 4888, 5005, 5170, 5590, 5720, 6020, 6110, 6149, 6580, 6622, 6721, 7238, 7826, 8008, 8084, 8554, 9460, 10010, 10105, 10340, 11180, 12040, 12220, 12298, 13160, 13244, 13442, 14147, 14476, 15652, 16168, 16555, 17108, 18095, 18920, 19565, 20020, 20210, 20680, 21385, 22231, 22360, 24440, 24596, 26273, 26488, 26884, 28294, 28952, 30745, 31304, 33110, 33605, 34216, 36190, 39130, 40040, 40420, 42770, 43043, 44462, 47047, 49192, 52546, 53768, 56588, 61490, 66220, 67210, 70735, 72380, 78260, 80840, 85540, 86086, 88924, 94094, 105092, 111155, 113176, 122980, 131365, 132440, 134420, 141470, 144760, 155617, 156520, 171080, 172172, 177848, 183911, 188188, 210184, 215215, 222310, 235235, 245960, 262730, 268840, 282940, 289003, 311234, 344344, 367822, 376376, 430430, 444620, 470470, 525460, 565880, 578006, 622468, 735644, 778085, 860860, 889240, 919555, 940940, 1050920, 1156012, 1244936, 1445015, 1471288, 1556170, 1721720, 1839110, 1881880, 2023021, 2312024, 2890030, 3112340, 3678220, 4046042, 5780060, 6224680, 7356440, 8092084, 10115105, 11560120, 16184168, 20230210, 40460420, 80920840]

約数ペア:

[(1, 80920840), (2, 40460420), (4, 20230210), (5, 16184168), (7, 11560120), (8, 10115105), (10, 8092084), (11, 7356440), (13, 6224680), (14, 5780060), (20, 4046042), (22, 3678220), (26, 3112340), (28, 2890030), (35, 2312024), (40, 2023021), (43, 1881880), (44, 1839110), (47, 1721720), (52, 1556170), (55, 1471288), (56, 1445015), (65, 1244936), (70, 1156012), (77, 1050920), (86, 940940), (88, 919555), (91, 889240), (94, 860860), (104, 778085), (110, 735644), (130, 622468), (140, 578006), (143, 565880), (154, 525460), (172, 470470), (182, 444620), (188, 430430), (215, 376376), (220, 367822), (235, 344344), (260, 311234), (280, 289003), (286, 282940), (301, 268840), (308, 262730), (329, 245960), (344, 235235), (364, 222310), (376, 215215), (385, 210184), (430, 188188), (440, 183911), (455, 177848), (470, 172172), (473, 171080), (517, 156520), (520, 155617), (559, 144760), (572, 141470), (602, 134420), (611, 132440), (616, 131365), (658, 122980), (715, 113176), (728, 111155), (770, 105092), (860, 94094), (910, 88924), (940, 86086), (946, 85540), (1001, 80840), (1034, 78260), (1118, 72380), (1144, 70735), (1204, 67210), (1222, 66220), (1316, 61490), (1430, 56588), (1505, 53768), (1540, 52546), (1645, 49192), (1720, 47047), (1820, 44462), (1880, 43043), (1892, 42770), (2002, 40420), (2021, 40040), (2068, 39130), (2236, 36190), (2365, 34216), (2408, 33605), (2444, 33110), (2585, 31304), (2632, 30745), (2795, 28952), (2860, 28294), (3010, 26884), (3055, 26488), (3080, 26273), (3290, 24596), (3311, 24440), (3619, 22360), (3640, 22231), (3784, 21385), (3913, 20680), (4004, 20210), (4042, 20020), (4136, 19565), (4277, 18920), (4472, 18095), (4730, 17108), (4888, 16555), (5005, 16168), (5170, 15652), (5590, 14476), (5720, 14147), (6020, 13442), (6110, 13244), (6149, 13160), (6580, 12298), (6622, 12220), (6721, 12040), (7238, 11180), (7826, 10340), (8008, 10105), (8084, 10010), (8554, 9460)]