81150720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3050

約数の個数: 144

約数和(自身を含む): 296298240

約数和(自身を除く): 215147520

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, 3019, 3360, 3840, 4480, 5376, 6038, 6720, 8960, 9057, 12076, 13440, 15095, 18114, 21133, 24152, 26880, 30190, 36228, 42266, 45285, 48304, 60380, 63399, 72456, 84532, 90570, 96608, 105665, 120760, 126798, 144912, 169064, 181140, 193216, 211330, 241520, 253596, 289824, 316995, 338128, 362280, 386432, 422660, 483040, 507192, 579648, 633990, 676256, 724560, 772864, 845320, 966080, 1014384, 1159296, 1267980, 1352512, 1449120, 1690640, 1932160, 2028768, 2318592, 2535960, 2705024, 2898240, 3381280, 3864320, 4057536, 5071920, 5410048, 5796480, 6762560, 8115072, 10143840, 11592960, 13525120, 16230144, 20287680, 27050240, 40575360, 81150720]

約数ペア:

[(1, 81150720), (2, 40575360), (3, 27050240), (4, 20287680), (5, 16230144), (6, 13525120), (7, 11592960), (8, 10143840), (10, 8115072), (12, 6762560), (14, 5796480), (15, 5410048), (16, 5071920), (20, 4057536), (21, 3864320), (24, 3381280), (28, 2898240), (30, 2705024), (32, 2535960), (35, 2318592), (40, 2028768), (42, 1932160), (48, 1690640), (56, 1449120), (60, 1352512), (64, 1267980), (70, 1159296), (80, 1014384), (84, 966080), (96, 845320), (105, 772864), (112, 724560), (120, 676256), (128, 633990), (140, 579648), (160, 507192), (168, 483040), (192, 422660), (210, 386432), (224, 362280), (240, 338128), (256, 316995), (280, 289824), (320, 253596), (336, 241520), (384, 211330), (420, 193216), (448, 181140), (480, 169064), (560, 144912), (640, 126798), (672, 120760), (768, 105665), (840, 96608), (896, 90570), (960, 84532), (1120, 72456), (1280, 63399), (1344, 60380), (1680, 48304), (1792, 45285), (1920, 42266), (2240, 36228), (2688, 30190), (3019, 26880), (3360, 24152), (3840, 21133), (4480, 18114), (5376, 15095), (6038, 13440), (6720, 12076), (8960, 9057)]