80100720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 240

約数和(自身を含む): 321265152

約数和(自身を除く): 241164432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 691, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1382, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2073, 2415, 2520, 2576, 2760, 2764, 2898, 3220, 3312, 3455, 3864, 4140, 4146, 4830, 4837, 5040, 5520, 5528, 5796, 6219, 6440, 6910, 7245, 7728, 8280, 8292, 9660, 9674, 10365, 11056, 11592, 12438, 12880, 13820, 14490, 14511, 15893, 16560, 16584, 19320, 19348, 20730, 23184, 24185, 24876, 27640, 28980, 29022, 31095, 31786, 33168, 38640, 38696, 41460, 43533, 47679, 48370, 49752, 55280, 57960, 58044, 62190, 63572, 72555, 77392, 79465, 82920, 87066, 95358, 96740, 99504, 111251, 115920, 116088, 124380, 127144, 143037, 145110, 158930, 165840, 174132, 190716, 193480, 217665, 222502, 232176, 238395, 248760, 254288, 286074, 290220, 317860, 333753, 348264, 381432, 386960, 435330, 445004, 476790, 497520, 556255, 572148, 580440, 635720, 667506, 696528, 715185, 762864, 870660, 890008, 953580, 1001259, 1112510, 1144296, 1160880, 1271440, 1335012, 1430370, 1668765, 1741320, 1780016, 1907160, 2002518, 2225020, 2288592, 2670024, 2860740, 3337530, 3482640, 3814320, 4005036, 4450040, 5006295, 5340048, 5721480, 6675060, 8010072, 8900080, 10012590, 11442960, 13350120, 16020144, 20025180, 26700240, 40050360, 80100720]

約数ペア:

[(1, 80100720), (2, 40050360), (3, 26700240), (4, 20025180), (5, 16020144), (6, 13350120), (7, 11442960), (8, 10012590), (9, 8900080), (10, 8010072), (12, 6675060), (14, 5721480), (15, 5340048), (16, 5006295), (18, 4450040), (20, 4005036), (21, 3814320), (23, 3482640), (24, 3337530), (28, 2860740), (30, 2670024), (35, 2288592), (36, 2225020), (40, 2002518), (42, 1907160), (45, 1780016), (46, 1741320), (48, 1668765), (56, 1430370), (60, 1335012), (63, 1271440), (69, 1160880), (70, 1144296), (72, 1112510), (80, 1001259), (84, 953580), (90, 890008), (92, 870660), (105, 762864), (112, 715185), (115, 696528), (120, 667506), (126, 635720), (138, 580440), (140, 572148), (144, 556255), (161, 497520), (168, 476790), (180, 445004), (184, 435330), (207, 386960), (210, 381432), (230, 348264), (240, 333753), (252, 317860), (276, 290220), (280, 286074), (315, 254288), (322, 248760), (336, 238395), (345, 232176), (360, 222502), (368, 217665), (414, 193480), (420, 190716), (460, 174132), (483, 165840), (504, 158930), (552, 145110), (560, 143037), (630, 127144), (644, 124380), (690, 116088), (691, 115920), (720, 111251), (805, 99504), (828, 96740), (840, 95358), (920, 87066), (966, 82920), (1008, 79465), (1035, 77392), (1104, 72555), (1260, 63572), (1288, 62190), (1380, 58044), (1382, 57960), (1449, 55280), (1610, 49752), (1656, 48370), (1680, 47679), (1840, 43533), (1932, 41460), (2070, 38696), (2073, 38640), (2415, 33168), (2520, 31786), (2576, 31095), (2760, 29022), (2764, 28980), (2898, 27640), (3220, 24876), (3312, 24185), (3455, 23184), (3864, 20730), (4140, 19348), (4146, 19320), (4830, 16584), (4837, 16560), (5040, 15893), (5520, 14511), (5528, 14490), (5796, 13820), (6219, 12880), (6440, 12438), (6910, 11592), (7245, 11056), (7728, 10365), (8280, 9674), (8292, 9660)]