21840804880

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1\times {\mathrm{1811}}^1$

素因数の和:2704

約数の個数: 80

約数和(自身を含む): 51104836224

約数和(自身を除く): 29264031344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 647, 932, 1165, 1294, 1811, 1864, 2330, 2588, 3235, 3622, 3728, 4660, 5176, 6470, 7244, 9055, 9320, 10352, 12940, 14488, 18110, 18640, 25880, 28976, 36220, 51760, 72440, 144880, 150751, 301502, 421963, 603004, 753755, 843926, 1171717, 1206008, 1507510, 1687852, 2109815, 2343434, 2412016, 3015020, 3375704, 4219630, 4686868, 5858585, 6030040, 6751408, 8439260, 9373736, 11717170, 12060080, 16878520, 18747472, 23434340, 33757040, 46868680, 93737360, 273010061, 546020122, 1092040244, 1365050305, 2184080488, 2730100610, 4368160976, 5460201220, 10920402440, 21840804880]

約数ペア:

[(1, 21840804880), (2, 10920402440), (4, 5460201220), (5, 4368160976), (8, 2730100610), (10, 2184080488), (16, 1365050305), (20, 1092040244), (40, 546020122), (80, 273010061), (233, 93737360), (466, 46868680), (647, 33757040), (932, 23434340), (1165, 18747472), (1294, 16878520), (1811, 12060080), (1864, 11717170), (2330, 9373736), (2588, 8439260), (3235, 6751408), (3622, 6030040), (3728, 5858585), (4660, 4686868), (5176, 4219630), (6470, 3375704), (7244, 3015020), (9055, 2412016), (9320, 2343434), (10352, 2109815), (12940, 1687852), (14488, 1507510), (18110, 1206008), (18640, 1171717), (25880, 843926), (28976, 753755), (36220, 603004), (51760, 421963), (72440, 301502), (144880, 150751)]