19681037040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1200

約数の個数: 320

約数和(自身を含む): 71869685760

約数和(自身を除く): 52188648720

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, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 479, 518, 555, 560, 592, 661, 740, 777, 840, 888, 958, 1036, 1110, 1295, 1322, 1437, 1480, 1554, 1680, 1776, 1916, 1983, 2072, 2220, 2395, 2590, 2644, 2874, 2960, 3108, 3305, 3353, 3832, 3885, 3966, 4144, 4440, 4627, 4790, 5180, 5288, 5748, 6216, 6610, 6706, 7185, 7664, 7770, 7932, 8880, 9254, 9580, 9915, 10059, 10360, 10576, 11496, 12432, 13220, 13412, 13881, 14370, 15540, 15864, 16765, 17723, 18508, 19160, 19830, 20118, 20720, 22992, 23135, 24457, 26440, 26824, 27762, 28740, 31080, 31728, 33530, 35446, 37016, 38320, 39660, 40236, 46270, 48914, 50295, 52880, 53169, 53648, 55524, 57480, 62160, 67060, 69405, 70892, 73371, 74032, 79320, 80472, 88615, 92540, 97828, 100590, 106338, 111048, 114960, 122285, 124061, 134120, 138810, 141784, 146742, 158640, 160944, 171199, 177230, 185080, 195656, 201180, 212676, 222096, 244570, 248122, 265845, 268240, 277620, 283568, 293484, 316619, 342398, 354460, 366855, 370160, 372183, 391312, 402360, 425352, 489140, 496244, 513597, 531690, 555240, 586968, 620305, 633238, 684796, 708920, 733710, 744366, 804720, 850704, 855995, 949857, 978280, 992488, 1027194, 1063380, 1110480, 1173936, 1240610, 1266476, 1369592, 1417840, 1467420, 1488732, 1583095, 1711990, 1860915, 1899714, 1956560, 1984976, 2054388, 2126760, 2216333, 2481220, 2532952, 2567985, 2739184, 2934840, 2977464, 3166190, 3423980, 3721830, 3799428, 4108776, 4253520, 4432666, 4749285, 4962440, 5065904, 5135970, 5869680, 5954928, 6332380, 6648999, 6847960, 7443660, 7598856, 8217552, 8865332, 9498570, 9924880, 10271940, 11081665, 11714903, 12664760, 13297998, 13695920, 14887320, 15197712, 17730664, 18997140, 20543880, 22163330, 23429806, 25329520, 26595996, 29774640, 33244995, 35144709, 35461328, 37994280, 41087760, 44326660, 46859612, 53191992, 58574515, 66489990, 70289418, 75988560, 82004321, 88653320, 93719224, 106383984, 117149030, 132979980, 140578836, 164008642, 175723545, 177306640, 187438448, 234298060, 246012963, 265959960, 281157672, 328017284, 351447090, 410021605, 468596120, 492025926, 531919920, 562315344, 656034568, 702894180, 820043210, 937192240, 984051852, 1230064815, 1312069136, 1405788360, 1640086420, 1968103704, 2460129630, 2811576720, 3280172840, 3936207408, 4920259260, 6560345680, 9840518520, 19681037040]

約数ペア:

[(1, 19681037040), (2, 9840518520), (3, 6560345680), (4, 4920259260), (5, 3936207408), (6, 3280172840), (7, 2811576720), (8, 2460129630), (10, 1968103704), (12, 1640086420), (14, 1405788360), (15, 1312069136), (16, 1230064815), (20, 984051852), (21, 937192240), (24, 820043210), (28, 702894180), (30, 656034568), (35, 562315344), (37, 531919920), (40, 492025926), (42, 468596120), (48, 410021605), (56, 351447090), (60, 328017284), (70, 281157672), (74, 265959960), (80, 246012963), (84, 234298060), (105, 187438448), (111, 177306640), (112, 175723545), (120, 164008642), (140, 140578836), (148, 132979980), (168, 117149030), (185, 106383984), (210, 93719224), (222, 88653320), (240, 82004321), (259, 75988560), (280, 70289418), (296, 66489990), (336, 58574515), (370, 53191992), (420, 46859612), (444, 44326660), (479, 41087760), (518, 37994280), (555, 35461328), (560, 35144709), (592, 33244995), (661, 29774640), (740, 26595996), (777, 25329520), (840, 23429806), (888, 22163330), (958, 20543880), (1036, 18997140), (1110, 17730664), (1295, 15197712), (1322, 14887320), (1437, 13695920), (1480, 13297998), (1554, 12664760), (1680, 11714903), (1776, 11081665), (1916, 10271940), (1983, 9924880), (2072, 9498570), (2220, 8865332), (2395, 8217552), (2590, 7598856), (2644, 7443660), (2874, 6847960), (2960, 6648999), (3108, 6332380), (3305, 5954928), (3353, 5869680), (3832, 5135970), (3885, 5065904), (3966, 4962440), (4144, 4749285), (4440, 4432666), (4627, 4253520), (4790, 4108776), (5180, 3799428), (5288, 3721830), (5748, 3423980), (6216, 3166190), (6610, 2977464), (6706, 2934840), (7185, 2739184), (7664, 2567985), (7770, 2532952), (7932, 2481220), (8880, 2216333), (9254, 2126760), (9580, 2054388), (9915, 1984976), (10059, 1956560), (10360, 1899714), (10576, 1860915), (11496, 1711990), (12432, 1583095), (13220, 1488732), (13412, 1467420), (13881, 1417840), (14370, 1369592), (15540, 1266476), (15864, 1240610), (16765, 1173936), (17723, 1110480), (18508, 1063380), (19160, 1027194), (19830, 992488), (20118, 978280), (20720, 949857), (22992, 855995), (23135, 850704), (24457, 804720), (26440, 744366), (26824, 733710), (27762, 708920), (28740, 684796), (31080, 633238), (31728, 620305), (33530, 586968), (35446, 555240), (37016, 531690), (38320, 513597), (39660, 496244), (40236, 489140), (46270, 425352), (48914, 402360), (50295, 391312), (52880, 372183), (53169, 370160), (53648, 366855), (55524, 354460), (57480, 342398), (62160, 316619), (67060, 293484), (69405, 283568), (70892, 277620), (73371, 268240), (74032, 265845), (79320, 248122), (80472, 244570), (88615, 222096), (92540, 212676), (97828, 201180), (100590, 195656), (106338, 185080), (111048, 177230), (114960, 171199), (122285, 160944), (124061, 158640), (134120, 146742), (138810, 141784)]