681314280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8031

約数の個数: 128

約数和(自身を含む): 2201886720

約数和(自身を除く): 1520572440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3565, 3720, 4278, 5704, 7130, 7963, 8556, 10695, 14260, 15926, 17112, 21390, 23889, 28520, 31852, 39815, 42780, 47778, 63704, 79630, 85560, 95556, 119445, 159260, 183149, 191112, 238890, 246853, 318520, 366298, 477780, 493706, 549447, 732596, 740559, 915745, 955560, 987412, 1098894, 1234265, 1465192, 1481118, 1831490, 1974824, 2197788, 2468530, 2747235, 2962236, 3662980, 3702795, 4395576, 4937060, 5494470, 5677619, 5924472, 7325960, 7405590, 9874120, 10988940, 11355238, 14811180, 17032857, 21977880, 22710476, 28388095, 29622360, 34065714, 45420952, 56776190, 68131428, 85164285, 113552380, 136262856, 170328570, 227104760, 340657140, 681314280]

約数ペア:

[(1, 681314280), (2, 340657140), (3, 227104760), (4, 170328570), (5, 136262856), (6, 113552380), (8, 85164285), (10, 68131428), (12, 56776190), (15, 45420952), (20, 34065714), (23, 29622360), (24, 28388095), (30, 22710476), (31, 21977880), (40, 17032857), (46, 14811180), (60, 11355238), (62, 10988940), (69, 9874120), (92, 7405590), (93, 7325960), (115, 5924472), (120, 5677619), (124, 5494470), (138, 4937060), (155, 4395576), (184, 3702795), (186, 3662980), (230, 2962236), (248, 2747235), (276, 2468530), (310, 2197788), (345, 1974824), (372, 1831490), (460, 1481118), (465, 1465192), (552, 1234265), (620, 1098894), (690, 987412), (713, 955560), (744, 915745), (920, 740559), (930, 732596), (1240, 549447), (1380, 493706), (1426, 477780), (1860, 366298), (2139, 318520), (2760, 246853), (2852, 238890), (3565, 191112), (3720, 183149), (4278, 159260), (5704, 119445), (7130, 95556), (7963, 85560), (8556, 79630), (10695, 63704), (14260, 47778), (15926, 42780), (17112, 39815), (21390, 31852), (23889, 28520)]