2740333840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 6437199600

約数和(自身を除く): 3696865760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 389, 509, 692, 778, 865, 1018, 1384, 1556, 1730, 1945, 2036, 2545, 2768, 3112, 3460, 3890, 4072, 5090, 6224, 6920, 7780, 8144, 10180, 13840, 15560, 20360, 31120, 40720, 67297, 88057, 134594, 176114, 198001, 269188, 336485, 352228, 396002, 440285, 538376, 672970, 704456, 792004, 880570, 990005, 1076752, 1345940, 1408912, 1584008, 1761140, 1980010, 2691880, 3168016, 3522280, 3960020, 5383760, 7044560, 7920040, 15840080, 34254173, 68508346, 137016692, 171270865, 274033384, 342541730, 548066768, 685083460, 1370166920, 2740333840]

約数ペア:

[(1, 2740333840), (2, 1370166920), (4, 685083460), (5, 548066768), (8, 342541730), (10, 274033384), (16, 171270865), (20, 137016692), (40, 68508346), (80, 34254173), (173, 15840080), (346, 7920040), (389, 7044560), (509, 5383760), (692, 3960020), (778, 3522280), (865, 3168016), (1018, 2691880), (1384, 1980010), (1556, 1761140), (1730, 1584008), (1945, 1408912), (2036, 1345940), (2545, 1076752), (2768, 990005), (3112, 880570), (3460, 792004), (3890, 704456), (4072, 672970), (5090, 538376), (6224, 440285), (6920, 396002), (7780, 352228), (8144, 336485), (10180, 269188), (13840, 198001), (15560, 176114), (20360, 134594), (31120, 88057), (40720, 67297)]