76812440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 183168000

約数和(自身を除く): 106355560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 479, 760, 844, 958, 1055, 1688, 1916, 2110, 2395, 3832, 4009, 4220, 4790, 8018, 8440, 9101, 9580, 16036, 18202, 19160, 20045, 32072, 36404, 40090, 45505, 72808, 80180, 91010, 101069, 160360, 182020, 202138, 364040, 404276, 505345, 808552, 1010690, 1920311, 2021380, 3840622, 4042760, 7681244, 9601555, 15362488, 19203110, 38406220, 76812440]

約数ペア:

[(1, 76812440), (2, 38406220), (4, 19203110), (5, 15362488), (8, 9601555), (10, 7681244), (19, 4042760), (20, 3840622), (38, 2021380), (40, 1920311), (76, 1010690), (95, 808552), (152, 505345), (190, 404276), (211, 364040), (380, 202138), (422, 182020), (479, 160360), (760, 101069), (844, 91010), (958, 80180), (1055, 72808), (1688, 45505), (1916, 40090), (2110, 36404), (2395, 32072), (3832, 20045), (4009, 19160), (4220, 18202), (4790, 16036), (8018, 9580), (8440, 9101)]