81074640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1601}}^1$

素因数の和:1828

約数の個数: 80

約数和(自身を含む): 252680256

約数和(自身を除く): 171605616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1601, 1688, 2110, 2532, 3165, 3202, 3376, 4220, 4803, 5064, 6330, 6404, 8005, 8440, 9606, 10128, 12660, 12808, 16010, 16880, 19212, 24015, 25320, 25616, 32020, 38424, 48030, 50640, 64040, 76848, 96060, 128080, 192120, 337811, 384240, 675622, 1013433, 1351244, 1689055, 2026866, 2702488, 3378110, 4053732, 5067165, 5404976, 6756220, 8107464, 10134330, 13512440, 16214928, 20268660, 27024880, 40537320, 81074640]

約数ペア:

[(1, 81074640), (2, 40537320), (3, 27024880), (4, 20268660), (5, 16214928), (6, 13512440), (8, 10134330), (10, 8107464), (12, 6756220), (15, 5404976), (16, 5067165), (20, 4053732), (24, 3378110), (30, 2702488), (40, 2026866), (48, 1689055), (60, 1351244), (80, 1013433), (120, 675622), (211, 384240), (240, 337811), (422, 192120), (633, 128080), (844, 96060), (1055, 76848), (1266, 64040), (1601, 50640), (1688, 48030), (2110, 38424), (2532, 32020), (3165, 25616), (3202, 25320), (3376, 24015), (4220, 19212), (4803, 16880), (5064, 16010), (6330, 12808), (6404, 12660), (8005, 10128), (8440, 9606)]