16081520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 47017824

約数和(自身を除く): 30936304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 182, 188, 208, 235, 260, 280, 329, 364, 376, 455, 470, 520, 560, 611, 658, 728, 752, 910, 940, 1040, 1222, 1316, 1456, 1645, 1820, 1880, 2209, 2444, 2632, 3055, 3290, 3640, 3760, 4277, 4418, 4888, 5264, 6110, 6580, 7280, 8554, 8836, 9776, 11045, 12220, 13160, 15463, 17108, 17672, 21385, 22090, 24440, 26320, 28717, 30926, 34216, 35344, 42770, 44180, 48880, 57434, 61852, 68432, 77315, 85540, 88360, 114868, 123704, 143585, 154630, 171080, 176720, 201019, 229736, 247408, 287170, 309260, 342160, 402038, 459472, 574340, 618520, 804076, 1005095, 1148680, 1237040, 1608152, 2010190, 2297360, 3216304, 4020380, 8040760, 16081520]

約数ペア:

[(1, 16081520), (2, 8040760), (4, 4020380), (5, 3216304), (7, 2297360), (8, 2010190), (10, 1608152), (13, 1237040), (14, 1148680), (16, 1005095), (20, 804076), (26, 618520), (28, 574340), (35, 459472), (40, 402038), (47, 342160), (52, 309260), (56, 287170), (65, 247408), (70, 229736), (80, 201019), (91, 176720), (94, 171080), (104, 154630), (112, 143585), (130, 123704), (140, 114868), (182, 88360), (188, 85540), (208, 77315), (235, 68432), (260, 61852), (280, 57434), (329, 48880), (364, 44180), (376, 42770), (455, 35344), (470, 34216), (520, 30926), (560, 28717), (611, 26320), (658, 24440), (728, 22090), (752, 21385), (910, 17672), (940, 17108), (1040, 15463), (1222, 13160), (1316, 12220), (1456, 11045), (1645, 9776), (1820, 8836), (1880, 8554), (2209, 7280), (2444, 6580), (2632, 6110), (3055, 5264), (3290, 4888), (3640, 4418), (3760, 4277)]