1217388520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1\times {\mathrm{2083}}^1$

素因数の和:2882

約数の個数: 64

約数和(自身を含む): 2888424000

約数和(自身を除く): 1671035480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 769, 1538, 2083, 3076, 3845, 4166, 6152, 7690, 8332, 10415, 14611, 15380, 16664, 20830, 29222, 30760, 39577, 41660, 58444, 73055, 79154, 83320, 116888, 146110, 158308, 197885, 292220, 316616, 395770, 584440, 791540, 1583080, 1601827, 3203654, 6407308, 8009135, 12814616, 16018270, 30434713, 32036540, 60869426, 64073080, 121738852, 152173565, 243477704, 304347130, 608694260, 1217388520]

約数ペア:

[(1, 1217388520), (2, 608694260), (4, 304347130), (5, 243477704), (8, 152173565), (10, 121738852), (19, 64073080), (20, 60869426), (38, 32036540), (40, 30434713), (76, 16018270), (95, 12814616), (152, 8009135), (190, 6407308), (380, 3203654), (760, 1601827), (769, 1583080), (1538, 791540), (2083, 584440), (3076, 395770), (3845, 316616), (4166, 292220), (6152, 197885), (7690, 158308), (8332, 146110), (10415, 116888), (14611, 83320), (15380, 79154), (16664, 73055), (20830, 58444), (29222, 41660), (30760, 39577)]