74580920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 173543040

約数和(自身を除く): 98962120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 331, 344, 430, 524, 655, 662, 860, 1048, 1310, 1324, 1655, 1720, 2620, 2648, 3310, 5240, 5633, 6620, 11266, 13240, 14233, 22532, 28165, 28466, 43361, 45064, 56330, 56932, 71165, 86722, 112660, 113864, 142330, 173444, 216805, 225320, 284660, 346888, 433610, 569320, 867220, 1734440, 1864523, 3729046, 7458092, 9322615, 14916184, 18645230, 37290460, 74580920]

約数ペア:

[(1, 74580920), (2, 37290460), (4, 18645230), (5, 14916184), (8, 9322615), (10, 7458092), (20, 3729046), (40, 1864523), (43, 1734440), (86, 867220), (131, 569320), (172, 433610), (215, 346888), (262, 284660), (331, 225320), (344, 216805), (430, 173444), (524, 142330), (655, 113864), (662, 112660), (860, 86722), (1048, 71165), (1310, 56932), (1324, 56330), (1655, 45064), (1720, 43361), (2620, 28466), (2648, 28165), (3310, 22532), (5240, 14233), (5633, 13240), (6620, 11266)]