221249280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{8231}}^1$

素因数の和:8262

約数の個数: 144

約数和(自身を含む): 807657984

約数和(自身を除く): 586408704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8231, 8960, 13440, 16462, 24693, 26880, 32924, 41155, 49386, 57617, 65848, 82310, 98772, 115234, 123465, 131696, 164620, 172851, 197544, 230468, 246930, 263392, 288085, 329240, 345702, 395088, 460936, 493860, 526784, 576170, 658480, 691404, 790176, 864255, 921872, 987720, 1053568, 1152340, 1316960, 1382808, 1580352, 1728510, 1843744, 1975440, 2107136, 2304680, 2633920, 2765616, 3160704, 3457020, 3687488, 3950880, 4609360, 5267840, 5531232, 6321408, 6914040, 7374976, 7901760, 9218720, 10535680, 11062464, 13828080, 14749952, 15803520, 18437440, 22124928, 27656160, 31607040, 36874880, 44249856, 55312320, 73749760, 110624640, 221249280]

約数ペア:

[(1, 221249280), (2, 110624640), (3, 73749760), (4, 55312320), (5, 44249856), (6, 36874880), (7, 31607040), (8, 27656160), (10, 22124928), (12, 18437440), (14, 15803520), (15, 14749952), (16, 13828080), (20, 11062464), (21, 10535680), (24, 9218720), (28, 7901760), (30, 7374976), (32, 6914040), (35, 6321408), (40, 5531232), (42, 5267840), (48, 4609360), (56, 3950880), (60, 3687488), (64, 3457020), (70, 3160704), (80, 2765616), (84, 2633920), (96, 2304680), (105, 2107136), (112, 1975440), (120, 1843744), (128, 1728510), (140, 1580352), (160, 1382808), (168, 1316960), (192, 1152340), (210, 1053568), (224, 987720), (240, 921872), (256, 864255), (280, 790176), (320, 691404), (336, 658480), (384, 576170), (420, 526784), (448, 493860), (480, 460936), (560, 395088), (640, 345702), (672, 329240), (768, 288085), (840, 263392), (896, 246930), (960, 230468), (1120, 197544), (1280, 172851), (1344, 164620), (1680, 131696), (1792, 123465), (1920, 115234), (2240, 98772), (2688, 82310), (3360, 65848), (3840, 57617), (4480, 49386), (5376, 41155), (6720, 32924), (8231, 26880), (8960, 24693), (13440, 16462)]