19080720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26501}}^1$

素因数の和:26520

約数の個数: 60

約数和(自身を含む): 64081836

約数和(自身を除く): 45001116

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, 26501, 53002, 79503, 106004, 132505, 159006, 212008, 238509, 265010, 318012, 397515, 424016, 477018, 530020, 636024, 795030, 954036, 1060040, 1192545, 1272048, 1590060, 1908072, 2120080, 2385090, 3180120, 3816144, 4770180, 6360240, 9540360, 19080720]

約数ペア:

[(1, 19080720), (2, 9540360), (3, 6360240), (4, 4770180), (5, 3816144), (6, 3180120), (8, 2385090), (9, 2120080), (10, 1908072), (12, 1590060), (15, 1272048), (16, 1192545), (18, 1060040), (20, 954036), (24, 795030), (30, 636024), (36, 530020), (40, 477018), (45, 424016), (48, 397515), (60, 318012), (72, 265010), (80, 238509), (90, 212008), (120, 159006), (144, 132505), (180, 106004), (240, 79503), (360, 53002), (720, 26501)]