281541120

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{5237}}^1$

素因数の和:5270

約数の個数: 160

約数和(自身を含む): 1028827008

約数和(自身を除く): 747285888

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, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5237, 5376, 6720, 7680, 8960, 10474, 10752, 13440, 15711, 17920, 20948, 26185, 26880, 31422, 36659, 41896, 52370, 53760, 62844, 73318, 78555, 83792, 104740, 109977, 125688, 146636, 157110, 167584, 183295, 209480, 219954, 251376, 293272, 314220, 335168, 366590, 418960, 439908, 502752, 549885, 586544, 628440, 670336, 733180, 837920, 879816, 1005504, 1099770, 1173088, 1256880, 1340672, 1466360, 1675840, 1759632, 2011008, 2199540, 2346176, 2513760, 2681344, 2932720, 3351680, 3519264, 4022016, 4399080, 4692352, 5027520, 5865440, 6703360, 7038528, 8044032, 8798160, 9384704, 10055040, 11730880, 13406720, 14077056, 17596320, 18769408, 20110080, 23461760, 28154112, 35192640, 40220160, 46923520, 56308224, 70385280, 93847040, 140770560, 281541120]

約数ペア:

[(1, 281541120), (2, 140770560), (3, 93847040), (4, 70385280), (5, 56308224), (6, 46923520), (7, 40220160), (8, 35192640), (10, 28154112), (12, 23461760), (14, 20110080), (15, 18769408), (16, 17596320), (20, 14077056), (21, 13406720), (24, 11730880), (28, 10055040), (30, 9384704), (32, 8798160), (35, 8044032), (40, 7038528), (42, 6703360), (48, 5865440), (56, 5027520), (60, 4692352), (64, 4399080), (70, 4022016), (80, 3519264), (84, 3351680), (96, 2932720), (105, 2681344), (112, 2513760), (120, 2346176), (128, 2199540), (140, 2011008), (160, 1759632), (168, 1675840), (192, 1466360), (210, 1340672), (224, 1256880), (240, 1173088), (256, 1099770), (280, 1005504), (320, 879816), (336, 837920), (384, 733180), (420, 670336), (448, 628440), (480, 586544), (512, 549885), (560, 502752), (640, 439908), (672, 418960), (768, 366590), (840, 335168), (896, 314220), (960, 293272), (1120, 251376), (1280, 219954), (1344, 209480), (1536, 183295), (1680, 167584), (1792, 157110), (1920, 146636), (2240, 125688), (2560, 109977), (2688, 104740), (3360, 83792), (3584, 78555), (3840, 73318), (4480, 62844), (5237, 53760), (5376, 52370), (6720, 41896), (7680, 36659), (8960, 31422), (10474, 26880), (10752, 26185), (13440, 20948), (15711, 17920)]