54481840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 145704960

約数和(自身を除く): 91223120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 359, 542, 560, 718, 1084, 1355, 1436, 1795, 1897, 2168, 2513, 2710, 2872, 3590, 3794, 4336, 5026, 5420, 5744, 7180, 7588, 9485, 10052, 10840, 12565, 14360, 15176, 18970, 20104, 21680, 25130, 28720, 30352, 37940, 40208, 50260, 75880, 97289, 100520, 151760, 194578, 201040, 389156, 486445, 681023, 778312, 972890, 1362046, 1556624, 1945780, 2724092, 3405115, 3891560, 5448184, 6810230, 7783120, 10896368, 13620460, 27240920, 54481840]

約数ペア:

[(1, 54481840), (2, 27240920), (4, 13620460), (5, 10896368), (7, 7783120), (8, 6810230), (10, 5448184), (14, 3891560), (16, 3405115), (20, 2724092), (28, 1945780), (35, 1556624), (40, 1362046), (56, 972890), (70, 778312), (80, 681023), (112, 486445), (140, 389156), (271, 201040), (280, 194578), (359, 151760), (542, 100520), (560, 97289), (718, 75880), (1084, 50260), (1355, 40208), (1436, 37940), (1795, 30352), (1897, 28720), (2168, 25130), (2513, 21680), (2710, 20104), (2872, 18970), (3590, 15176), (3794, 14360), (4336, 12565), (5026, 10840), (5420, 10052), (5744, 9485), (7180, 7588)]