20667563520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{18061}}^1$

素因数の和:18236

約数の個数: 160

約数和(自身を含む): 66518733600

約数和(自身を除く): 45851170080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 240, 256, 298, 320, 384, 447, 480, 512, 596, 640, 745, 768, 894, 960, 1192, 1280, 1490, 1536, 1788, 1920, 2235, 2384, 2560, 2980, 3576, 3840, 4470, 4768, 5960, 7152, 7680, 8940, 9536, 11920, 14304, 17880, 18061, 19072, 23840, 28608, 35760, 36122, 38144, 47680, 54183, 57216, 71520, 72244, 76288, 90305, 95360, 108366, 114432, 143040, 144488, 180610, 190720, 216732, 228864, 270915, 286080, 288976, 361220, 381440, 433464, 541830, 572160, 577952, 722440, 866928, 1083660, 1144320, 1155904, 1444880, 1733856, 2167320, 2311808, 2691089, 2889760, 3467712, 4334640, 4623616, 5382178, 5779520, 6935424, 8073267, 8669280, 9247232, 10764356, 11559040, 13455445, 13870848, 16146534, 17338560, 21528712, 23118080, 26910890, 27741696, 32293068, 34677120, 40366335, 43057424, 46236160, 53821780, 64586136, 69354240, 80732670, 86114848, 107643560, 129172272, 138708480, 161465340, 172229696, 215287120, 258344544, 322930680, 344459392, 430574240, 516689088, 645861360, 688918784, 861148480, 1033378176, 1291722720, 1377837568, 1722296960, 2066756352, 2583445440, 3444593920, 4133512704, 5166890880, 6889187840, 10333781760, 20667563520]

約数ペア:

[(1, 20667563520), (2, 10333781760), (3, 6889187840), (4, 5166890880), (5, 4133512704), (6, 3444593920), (8, 2583445440), (10, 2066756352), (12, 1722296960), (15, 1377837568), (16, 1291722720), (20, 1033378176), (24, 861148480), (30, 688918784), (32, 645861360), (40, 516689088), (48, 430574240), (60, 344459392), (64, 322930680), (80, 258344544), (96, 215287120), (120, 172229696), (128, 161465340), (149, 138708480), (160, 129172272), (192, 107643560), (240, 86114848), (256, 80732670), (298, 69354240), (320, 64586136), (384, 53821780), (447, 46236160), (480, 43057424), (512, 40366335), (596, 34677120), (640, 32293068), (745, 27741696), (768, 26910890), (894, 23118080), (960, 21528712), (1192, 17338560), (1280, 16146534), (1490, 13870848), (1536, 13455445), (1788, 11559040), (1920, 10764356), (2235, 9247232), (2384, 8669280), (2560, 8073267), (2980, 6935424), (3576, 5779520), (3840, 5382178), (4470, 4623616), (4768, 4334640), (5960, 3467712), (7152, 2889760), (7680, 2691089), (8940, 2311808), (9536, 2167320), (11920, 1733856), (14304, 1444880), (17880, 1155904), (18061, 1144320), (19072, 1083660), (23840, 866928), (28608, 722440), (35760, 577952), (36122, 572160), (38144, 541830), (47680, 433464), (54183, 381440), (57216, 361220), (71520, 288976), (72244, 286080), (76288, 270915), (90305, 228864), (95360, 216732), (108366, 190720), (114432, 180610), (143040, 144488)]