19917360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9221}}^1$

素因数の和:9243

約数の個数: 80

約数和(自身を含む): 68611680

約数和(自身を除く): 48694320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9221, 18442, 27663, 36884, 46105, 55326, 73768, 82989, 92210, 110652, 138315, 147536, 165978, 184420, 221304, 248967, 276630, 331956, 368840, 414945, 442608, 497934, 553260, 663912, 737680, 829890, 995868, 1106520, 1244835, 1327824, 1659780, 1991736, 2213040, 2489670, 3319560, 3983472, 4979340, 6639120, 9958680, 19917360]

約数ペア:

[(1, 19917360), (2, 9958680), (3, 6639120), (4, 4979340), (5, 3983472), (6, 3319560), (8, 2489670), (9, 2213040), (10, 1991736), (12, 1659780), (15, 1327824), (16, 1244835), (18, 1106520), (20, 995868), (24, 829890), (27, 737680), (30, 663912), (36, 553260), (40, 497934), (45, 442608), (48, 414945), (54, 368840), (60, 331956), (72, 276630), (80, 248967), (90, 221304), (108, 184420), (120, 165978), (135, 147536), (144, 138315), (180, 110652), (216, 92210), (240, 82989), (270, 73768), (360, 55326), (432, 46105), (540, 36884), (720, 27663), (1080, 18442), (2160, 9221)]