81420120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75389}}^1$

素因数の和:75409

約数の個数: 64

約数和(自身を含む): 271404000

約数和(自身を除く): 189983880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75389, 150778, 226167, 301556, 376945, 452334, 603112, 678501, 753890, 904668, 1130835, 1357002, 1507780, 1809336, 2035503, 2261670, 2714004, 3015560, 3392505, 4071006, 4523340, 5428008, 6785010, 8142012, 9046680, 10177515, 13570020, 16284024, 20355030, 27140040, 40710060, 81420120]

約数ペア:

[(1, 81420120), (2, 40710060), (3, 27140040), (4, 20355030), (5, 16284024), (6, 13570020), (8, 10177515), (9, 9046680), (10, 8142012), (12, 6785010), (15, 5428008), (18, 4523340), (20, 4071006), (24, 3392505), (27, 3015560), (30, 2714004), (36, 2261670), (40, 2035503), (45, 1809336), (54, 1507780), (60, 1357002), (72, 1130835), (90, 904668), (108, 753890), (120, 678501), (135, 603112), (180, 452334), (216, 376945), (270, 301556), (360, 226167), (540, 150778), (1080, 75389)]