18090240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{673}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 66127488

約数和(自身を除く): 48037248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 673, 768, 840, 896, 960, 1120, 1280, 1344, 1346, 1680, 1792, 1920, 2019, 2240, 2688, 2692, 3360, 3365, 3840, 4038, 4480, 4711, 5376, 5384, 6720, 6730, 8076, 8960, 9422, 10095, 10768, 13440, 13460, 14133, 16152, 18844, 20190, 21536, 23555, 26880, 26920, 28266, 32304, 37688, 40380, 43072, 47110, 53840, 56532, 64608, 70665, 75376, 80760, 86144, 94220, 107680, 113064, 129216, 141330, 150752, 161520, 172288, 188440, 215360, 226128, 258432, 282660, 301504, 323040, 376880, 430720, 452256, 516864, 565320, 603008, 646080, 753760, 861440, 904512, 1130640, 1206016, 1292160, 1507520, 1809024, 2261280, 2584320, 3015040, 3618048, 4522560, 6030080, 9045120, 18090240]

約数ペア:

[(1, 18090240), (2, 9045120), (3, 6030080), (4, 4522560), (5, 3618048), (6, 3015040), (7, 2584320), (8, 2261280), (10, 1809024), (12, 1507520), (14, 1292160), (15, 1206016), (16, 1130640), (20, 904512), (21, 861440), (24, 753760), (28, 646080), (30, 603008), (32, 565320), (35, 516864), (40, 452256), (42, 430720), (48, 376880), (56, 323040), (60, 301504), (64, 282660), (70, 258432), (80, 226128), (84, 215360), (96, 188440), (105, 172288), (112, 161520), (120, 150752), (128, 141330), (140, 129216), (160, 113064), (168, 107680), (192, 94220), (210, 86144), (224, 80760), (240, 75376), (256, 70665), (280, 64608), (320, 56532), (336, 53840), (384, 47110), (420, 43072), (448, 40380), (480, 37688), (560, 32304), (640, 28266), (672, 26920), (673, 26880), (768, 23555), (840, 21536), (896, 20190), (960, 18844), (1120, 16152), (1280, 14133), (1344, 13460), (1346, 13440), (1680, 10768), (1792, 10095), (1920, 9422), (2019, 8960), (2240, 8076), (2688, 6730), (2692, 6720), (3360, 5384), (3365, 5376), (3840, 4711), (4038, 4480)]