1280309520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 320

約数和(自身を含む): 4776837120

約数和(自身を除く): 3496527600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 43, 48, 56, 60, 70, 74, 80, 84, 86, 105, 111, 112, 120, 129, 140, 148, 168, 172, 185, 210, 215, 222, 240, 258, 259, 280, 296, 301, 336, 344, 370, 420, 430, 444, 479, 516, 518, 555, 560, 592, 602, 645, 688, 740, 777, 840, 860, 888, 903, 958, 1032, 1036, 1110, 1204, 1290, 1295, 1437, 1480, 1505, 1554, 1591, 1680, 1720, 1776, 1806, 1916, 2064, 2072, 2220, 2395, 2408, 2580, 2590, 2874, 2960, 3010, 3108, 3182, 3353, 3440, 3612, 3832, 3885, 4144, 4440, 4515, 4773, 4790, 4816, 5160, 5180, 5748, 6020, 6216, 6364, 6706, 7185, 7224, 7664, 7770, 7955, 8880, 9030, 9546, 9580, 10059, 10320, 10360, 11137, 11496, 12040, 12432, 12728, 13412, 14370, 14448, 15540, 15910, 16765, 17723, 18060, 19092, 19160, 20118, 20597, 20720, 22274, 22992, 23865, 24080, 25456, 26824, 28740, 31080, 31820, 33411, 33530, 35446, 36120, 38184, 38320, 40236, 41194, 44548, 47730, 50295, 53169, 53648, 55685, 57480, 61791, 62160, 63640, 66822, 67060, 70892, 72240, 76368, 80472, 82388, 88615, 89096, 95460, 100590, 102985, 106338, 111370, 114960, 123582, 124061, 127280, 133644, 134120, 141784, 144179, 160944, 164776, 167055, 177230, 178192, 190920, 201180, 205970, 212676, 222740, 247164, 248122, 265845, 267288, 268240, 283568, 288358, 308955, 329552, 334110, 354460, 372183, 381840, 402360, 411940, 425352, 432537, 445480, 494328, 496244, 531690, 534576, 576716, 617910, 620305, 668220, 708920, 720895, 744366, 762089, 804720, 823880, 850704, 865074, 890960, 988656, 992488, 1063380, 1153432, 1235820, 1240610, 1336440, 1417840, 1441790, 1488732, 1524178, 1647760, 1730148, 1860915, 1984976, 2126760, 2162685, 2286267, 2306864, 2471640, 2481220, 2672880, 2883580, 2977464, 3048356, 3460296, 3721830, 3810445, 4253520, 4325370, 4572534, 4943280, 4962440, 5334623, 5767160, 5954928, 6096712, 6920592, 7443660, 7620890, 8650740, 9145068, 9924880, 10669246, 11431335, 11534320, 12193424, 14887320, 15241780, 16003869, 17301480, 18290136, 21338492, 22862670, 26673115, 29774640, 30483560, 32007738, 34602960, 36580272, 42676984, 45725340, 53346230, 60967120, 64015476, 80019345, 85353968, 91450680, 106692460, 128030952, 160038690, 182901360, 213384920, 256061904, 320077380, 426769840, 640154760, 1280309520]

約数ペア:

[(1, 1280309520), (2, 640154760), (3, 426769840), (4, 320077380), (5, 256061904), (6, 213384920), (7, 182901360), (8, 160038690), (10, 128030952), (12, 106692460), (14, 91450680), (15, 85353968), (16, 80019345), (20, 64015476), (21, 60967120), (24, 53346230), (28, 45725340), (30, 42676984), (35, 36580272), (37, 34602960), (40, 32007738), (42, 30483560), (43, 29774640), (48, 26673115), (56, 22862670), (60, 21338492), (70, 18290136), (74, 17301480), (80, 16003869), (84, 15241780), (86, 14887320), (105, 12193424), (111, 11534320), (112, 11431335), (120, 10669246), (129, 9924880), (140, 9145068), (148, 8650740), (168, 7620890), (172, 7443660), (185, 6920592), (210, 6096712), (215, 5954928), (222, 5767160), (240, 5334623), (258, 4962440), (259, 4943280), (280, 4572534), (296, 4325370), (301, 4253520), (336, 3810445), (344, 3721830), (370, 3460296), (420, 3048356), (430, 2977464), (444, 2883580), (479, 2672880), (516, 2481220), (518, 2471640), (555, 2306864), (560, 2286267), (592, 2162685), (602, 2126760), (645, 1984976), (688, 1860915), (740, 1730148), (777, 1647760), (840, 1524178), (860, 1488732), (888, 1441790), (903, 1417840), (958, 1336440), (1032, 1240610), (1036, 1235820), (1110, 1153432), (1204, 1063380), (1290, 992488), (1295, 988656), (1437, 890960), (1480, 865074), (1505, 850704), (1554, 823880), (1591, 804720), (1680, 762089), (1720, 744366), (1776, 720895), (1806, 708920), (1916, 668220), (2064, 620305), (2072, 617910), (2220, 576716), (2395, 534576), (2408, 531690), (2580, 496244), (2590, 494328), (2874, 445480), (2960, 432537), (3010, 425352), (3108, 411940), (3182, 402360), (3353, 381840), (3440, 372183), (3612, 354460), (3832, 334110), (3885, 329552), (4144, 308955), (4440, 288358), (4515, 283568), (4773, 268240), (4790, 267288), (4816, 265845), (5160, 248122), (5180, 247164), (5748, 222740), (6020, 212676), (6216, 205970), (6364, 201180), (6706, 190920), (7185, 178192), (7224, 177230), (7664, 167055), (7770, 164776), (7955, 160944), (8880, 144179), (9030, 141784), (9546, 134120), (9580, 133644), (10059, 127280), (10320, 124061), (10360, 123582), (11137, 114960), (11496, 111370), (12040, 106338), (12432, 102985), (12728, 100590), (13412, 95460), (14370, 89096), (14448, 88615), (15540, 82388), (15910, 80472), (16765, 76368), (17723, 72240), (18060, 70892), (19092, 67060), (19160, 66822), (20118, 63640), (20597, 62160), (20720, 61791), (22274, 57480), (22992, 55685), (23865, 53648), (24080, 53169), (25456, 50295), (26824, 47730), (28740, 44548), (31080, 41194), (31820, 40236), (33411, 38320), (33530, 38184), (35446, 36120)]