19601280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 70171920

約数和(自身を除く): 50570640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 83, 90, 96, 120, 123, 128, 144, 160, 164, 166, 180, 192, 205, 240, 246, 249, 288, 320, 328, 332, 360, 369, 384, 410, 415, 480, 492, 498, 576, 615, 640, 656, 664, 720, 738, 747, 820, 830, 960, 984, 996, 1152, 1230, 1245, 1312, 1328, 1440, 1476, 1494, 1640, 1660, 1845, 1920, 1968, 1992, 2460, 2490, 2624, 2656, 2880, 2952, 2988, 3280, 3320, 3403, 3690, 3735, 3936, 3984, 4920, 4980, 5248, 5312, 5760, 5904, 5976, 6560, 6640, 6806, 7380, 7470, 7872, 7968, 9840, 9960, 10209, 10624, 11808, 11952, 13120, 13280, 13612, 14760, 14940, 15744, 15936, 17015, 19680, 19920, 20418, 23616, 23904, 26240, 26560, 27224, 29520, 29880, 30627, 31872, 34030, 39360, 39840, 40836, 47232, 47808, 51045, 53120, 54448, 59040, 59760, 61254, 68060, 78720, 79680, 81672, 95616, 102090, 108896, 118080, 119520, 122508, 136120, 153135, 159360, 163344, 204180, 217792, 236160, 239040, 245016, 272240, 306270, 326688, 408360, 435584, 478080, 490032, 544480, 612540, 653376, 816720, 980064, 1088960, 1225080, 1306752, 1633440, 1960128, 2177920, 2450160, 3266880, 3920256, 4900320, 6533760, 9800640, 19601280]

約数ペア:

[(1, 19601280), (2, 9800640), (3, 6533760), (4, 4900320), (5, 3920256), (6, 3266880), (8, 2450160), (9, 2177920), (10, 1960128), (12, 1633440), (15, 1306752), (16, 1225080), (18, 1088960), (20, 980064), (24, 816720), (30, 653376), (32, 612540), (36, 544480), (40, 490032), (41, 478080), (45, 435584), (48, 408360), (60, 326688), (64, 306270), (72, 272240), (80, 245016), (82, 239040), (83, 236160), (90, 217792), (96, 204180), (120, 163344), (123, 159360), (128, 153135), (144, 136120), (160, 122508), (164, 119520), (166, 118080), (180, 108896), (192, 102090), (205, 95616), (240, 81672), (246, 79680), (249, 78720), (288, 68060), (320, 61254), (328, 59760), (332, 59040), (360, 54448), (369, 53120), (384, 51045), (410, 47808), (415, 47232), (480, 40836), (492, 39840), (498, 39360), (576, 34030), (615, 31872), (640, 30627), (656, 29880), (664, 29520), (720, 27224), (738, 26560), (747, 26240), (820, 23904), (830, 23616), (960, 20418), (984, 19920), (996, 19680), (1152, 17015), (1230, 15936), (1245, 15744), (1312, 14940), (1328, 14760), (1440, 13612), (1476, 13280), (1494, 13120), (1640, 11952), (1660, 11808), (1845, 10624), (1920, 10209), (1968, 9960), (1992, 9840), (2460, 7968), (2490, 7872), (2624, 7470), (2656, 7380), (2880, 6806), (2952, 6640), (2988, 6560), (3280, 5976), (3320, 5904), (3403, 5760), (3690, 5312), (3735, 5248), (3936, 4980), (3984, 4920)]