256539240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30983}}^1$

素因数の和:31023

約数の個数: 96

約数和(自身を含む): 870030720

約数和(自身を除く): 613491480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 30983, 61966, 92949, 123932, 154915, 185898, 247864, 278847, 309830, 371796, 464745, 557694, 619660, 712609, 743592, 929490, 1115388, 1239320, 1394235, 1425218, 1858980, 2137827, 2230776, 2788470, 2850436, 3563045, 3717960, 4275654, 5576940, 5700872, 6413481, 7126090, 8551308, 10689135, 11153880, 12826962, 14252180, 17102616, 21378270, 25653924, 28504360, 32067405, 42756540, 51307848, 64134810, 85513080, 128269620, 256539240]

約数ペア:

[(1, 256539240), (2, 128269620), (3, 85513080), (4, 64134810), (5, 51307848), (6, 42756540), (8, 32067405), (9, 28504360), (10, 25653924), (12, 21378270), (15, 17102616), (18, 14252180), (20, 12826962), (23, 11153880), (24, 10689135), (30, 8551308), (36, 7126090), (40, 6413481), (45, 5700872), (46, 5576940), (60, 4275654), (69, 3717960), (72, 3563045), (90, 2850436), (92, 2788470), (115, 2230776), (120, 2137827), (138, 1858980), (180, 1425218), (184, 1394235), (207, 1239320), (230, 1115388), (276, 929490), (345, 743592), (360, 712609), (414, 619660), (460, 557694), (552, 464745), (690, 371796), (828, 309830), (920, 278847), (1035, 247864), (1380, 185898), (1656, 154915), (2070, 123932), (2760, 92949), (4140, 61966), (8280, 30983)]