128500920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356947}}^1$

素因数の和:356964

約数の個数: 48

約数和(自身を含む): 417629160

約数和(自身を除く): 289128240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 356947, 713894, 1070841, 1427788, 1784735, 2141682, 2855576, 3212523, 3569470, 4283364, 5354205, 6425046, 7138940, 8566728, 10708410, 12850092, 14277880, 16062615, 21416820, 25700184, 32125230, 42833640, 64250460, 128500920]

約数ペア:

[(1, 128500920), (2, 64250460), (3, 42833640), (4, 32125230), (5, 25700184), (6, 21416820), (8, 16062615), (9, 14277880), (10, 12850092), (12, 10708410), (15, 8566728), (18, 7138940), (20, 6425046), (24, 5354205), (30, 4283364), (36, 3569470), (40, 3212523), (45, 2855576), (60, 2141682), (72, 1784735), (90, 1427788), (120, 1070841), (180, 713894), (360, 356947)]