661425408

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{41011}}^1$

素因数の和:41040

約数の個数: 108

約数和(自身を含む): 2179541728

約数和(自身を除く): 1518116320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 41011, 82022, 123033, 164044, 246066, 287077, 328088, 369099, 492132, 574154, 656176, 738198, 861231, 984264, 1148308, 1312352, 1476396, 1722462, 1968528, 2296616, 2583693, 2624704, 2952792, 3444924, 3937056, 4593232, 5167386, 5249408, 5905584, 6889848, 7874112, 9186464, 10334772, 10498816, 11811168, 13779696, 15748224, 18372928, 20669544, 23622336, 27559392, 31496448, 36745856, 41339088, 47244672, 55118784, 73491712, 82678176, 94489344, 110237568, 165356352, 220475136, 330712704, 661425408]

約数ペア:

[(1, 661425408), (2, 330712704), (3, 220475136), (4, 165356352), (6, 110237568), (7, 94489344), (8, 82678176), (9, 73491712), (12, 55118784), (14, 47244672), (16, 41339088), (18, 36745856), (21, 31496448), (24, 27559392), (28, 23622336), (32, 20669544), (36, 18372928), (42, 15748224), (48, 13779696), (56, 11811168), (63, 10498816), (64, 10334772), (72, 9186464), (84, 7874112), (96, 6889848), (112, 5905584), (126, 5249408), (128, 5167386), (144, 4593232), (168, 3937056), (192, 3444924), (224, 2952792), (252, 2624704), (256, 2583693), (288, 2296616), (336, 1968528), (384, 1722462), (448, 1476396), (504, 1312352), (576, 1148308), (672, 984264), (768, 861231), (896, 738198), (1008, 656176), (1152, 574154), (1344, 492132), (1792, 369099), (2016, 328088), (2304, 287077), (2688, 246066), (4032, 164044), (5376, 123033), (8064, 82022), (16128, 41011)]