80738280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 320112000

約数和(自身を除く): 239373720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 49, 56, 60, 63, 69, 70, 72, 84, 90, 92, 98, 105, 115, 120, 126, 138, 140, 147, 161, 168, 180, 184, 196, 199, 207, 210, 230, 245, 252, 276, 280, 294, 315, 322, 345, 360, 392, 398, 414, 420, 441, 460, 483, 490, 504, 552, 588, 597, 630, 644, 690, 735, 796, 805, 828, 840, 882, 920, 966, 980, 995, 1035, 1127, 1176, 1194, 1260, 1288, 1380, 1393, 1449, 1470, 1592, 1610, 1656, 1764, 1791, 1932, 1960, 1990, 2070, 2205, 2254, 2388, 2415, 2520, 2760, 2786, 2898, 2940, 2985, 3220, 3381, 3528, 3582, 3864, 3980, 4140, 4179, 4410, 4508, 4577, 4776, 4830, 5572, 5635, 5796, 5880, 5970, 6440, 6762, 6965, 7164, 7245, 7960, 8280, 8358, 8820, 8955, 9016, 9154, 9660, 9751, 10143, 11144, 11270, 11592, 11940, 12537, 13524, 13731, 13930, 14328, 14490, 16716, 16905, 17640, 17910, 18308, 19320, 19502, 20286, 20895, 22540, 22885, 23880, 25074, 27048, 27462, 27860, 28980, 29253, 32039, 33432, 33810, 35820, 36616, 39004, 40572, 41193, 41790, 45080, 45770, 48755, 50148, 50715, 54924, 55720, 57960, 58506, 62685, 64078, 67620, 68655, 71640, 78008, 81144, 82386, 83580, 87759, 91540, 96117, 97510, 100296, 101430, 109848, 117012, 125370, 128156, 135240, 137310, 146265, 160195, 164772, 167160, 175518, 183080, 192234, 195020, 202860, 205965, 224273, 234024, 250740, 256312, 274620, 288351, 292530, 320390, 329544, 351036, 384468, 390040, 405720, 411930, 438795, 448546, 480585, 501480, 549240, 576702, 585060, 640780, 672819, 702072, 768936, 823860, 877590, 897092, 961170, 1121365, 1153404, 1170120, 1281560, 1345638, 1441755, 1647720, 1755180, 1794184, 1922340, 2018457, 2242730, 2306808, 2691276, 2883510, 3364095, 3510360, 3844680, 4036914, 4485460, 5382552, 5767020, 6728190, 8073828, 8970920, 10092285, 11534040, 13456380, 16147656, 20184570, 26912760, 40369140, 80738280]

約数ペア:

[(1, 80738280), (2, 40369140), (3, 26912760), (4, 20184570), (5, 16147656), (6, 13456380), (7, 11534040), (8, 10092285), (9, 8970920), (10, 8073828), (12, 6728190), (14, 5767020), (15, 5382552), (18, 4485460), (20, 4036914), (21, 3844680), (23, 3510360), (24, 3364095), (28, 2883510), (30, 2691276), (35, 2306808), (36, 2242730), (40, 2018457), (42, 1922340), (45, 1794184), (46, 1755180), (49, 1647720), (56, 1441755), (60, 1345638), (63, 1281560), (69, 1170120), (70, 1153404), (72, 1121365), (84, 961170), (90, 897092), (92, 877590), (98, 823860), (105, 768936), (115, 702072), (120, 672819), (126, 640780), (138, 585060), (140, 576702), (147, 549240), (161, 501480), (168, 480585), (180, 448546), (184, 438795), (196, 411930), (199, 405720), (207, 390040), (210, 384468), (230, 351036), (245, 329544), (252, 320390), (276, 292530), (280, 288351), (294, 274620), (315, 256312), (322, 250740), (345, 234024), (360, 224273), (392, 205965), (398, 202860), (414, 195020), (420, 192234), (441, 183080), (460, 175518), (483, 167160), (490, 164772), (504, 160195), (552, 146265), (588, 137310), (597, 135240), (630, 128156), (644, 125370), (690, 117012), (735, 109848), (796, 101430), (805, 100296), (828, 97510), (840, 96117), (882, 91540), (920, 87759), (966, 83580), (980, 82386), (995, 81144), (1035, 78008), (1127, 71640), (1176, 68655), (1194, 67620), (1260, 64078), (1288, 62685), (1380, 58506), (1393, 57960), (1449, 55720), (1470, 54924), (1592, 50715), (1610, 50148), (1656, 48755), (1764, 45770), (1791, 45080), (1932, 41790), (1960, 41193), (1990, 40572), (2070, 39004), (2205, 36616), (2254, 35820), (2388, 33810), (2415, 33432), (2520, 32039), (2760, 29253), (2786, 28980), (2898, 27860), (2940, 27462), (2985, 27048), (3220, 25074), (3381, 23880), (3528, 22885), (3582, 22540), (3864, 20895), (3980, 20286), (4140, 19502), (4179, 19320), (4410, 18308), (4508, 17910), (4577, 17640), (4776, 16905), (4830, 16716), (5572, 14490), (5635, 14328), (5796, 13930), (5880, 13731), (5970, 13524), (6440, 12537), (6762, 11940), (6965, 11592), (7164, 11270), (7245, 11144), (7960, 10143), (8280, 9751), (8358, 9660), (8820, 9154), (8955, 9016)]