172697040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239857}}^1$

素因数の和:239876

約数の個数: 60

約数和(自身を含む): 579976644

約数和(自身を除く): 407279604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 239857, 479714, 719571, 959428, 1199285, 1439142, 1918856, 2158713, 2398570, 2878284, 3597855, 3837712, 4317426, 4797140, 5756568, 7195710, 8634852, 9594280, 10793565, 11513136, 14391420, 17269704, 19188560, 21587130, 28782840, 34539408, 43174260, 57565680, 86348520, 172697040]

約数ペア:

[(1, 172697040), (2, 86348520), (3, 57565680), (4, 43174260), (5, 34539408), (6, 28782840), (8, 21587130), (9, 19188560), (10, 17269704), (12, 14391420), (15, 11513136), (16, 10793565), (18, 9594280), (20, 8634852), (24, 7195710), (30, 5756568), (36, 4797140), (40, 4317426), (45, 3837712), (48, 3597855), (60, 2878284), (72, 2398570), (80, 2158713), (90, 1918856), (120, 1439142), (144, 1199285), (180, 959428), (240, 719571), (360, 479714), (720, 239857)]