81959880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3467}}^1$

素因数の和:3678

約数の個数: 64

約数和(自身を含む): 247199040

約数和(自身を除く): 165239160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3467, 3940, 4728, 5910, 6934, 7880, 10401, 11820, 13868, 17335, 20802, 23640, 27736, 34670, 41604, 52005, 69340, 83208, 104010, 138680, 208020, 416040, 682999, 1365998, 2048997, 2731996, 3414995, 4097994, 5463992, 6829990, 8195988, 10244985, 13659980, 16391976, 20489970, 27319960, 40979940, 81959880]

約数ペア:

[(1, 81959880), (2, 40979940), (3, 27319960), (4, 20489970), (5, 16391976), (6, 13659980), (8, 10244985), (10, 8195988), (12, 6829990), (15, 5463992), (20, 4097994), (24, 3414995), (30, 2731996), (40, 2048997), (60, 1365998), (120, 682999), (197, 416040), (394, 208020), (591, 138680), (788, 104010), (985, 83208), (1182, 69340), (1576, 52005), (1970, 41604), (2364, 34670), (2955, 27736), (3467, 23640), (3940, 20802), (4728, 17335), (5910, 13868), (6934, 11820), (7880, 10401)]