11819520

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 240

約数和(自身を含む): 44684640

約数和(自身を除く): 32865120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 243, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 486, 512, 513, 540, 570, 576, 608, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 972, 1026, 1080, 1140, 1152, 1215, 1216, 1280, 1296, 1368, 1440, 1520, 1536, 1539, 1620, 1710, 1728, 1824, 1920, 1944, 2052, 2160, 2280, 2304, 2430, 2432, 2560, 2565, 2592, 2736, 2880, 3040, 3078, 3240, 3420, 3456, 3648, 3840, 3888, 4104, 4320, 4560, 4608, 4617, 4860, 4864, 5130, 5184, 5472, 5760, 6080, 6156, 6480, 6840, 6912, 7296, 7680, 7695, 7776, 8208, 8640, 9120, 9234, 9720, 9728, 10260, 10368, 10944, 11520, 12160, 12312, 12960, 13680, 13824, 14592, 15390, 15552, 16416, 17280, 18240, 18468, 19440, 20520, 20736, 21888, 23040, 23085, 24320, 24624, 25920, 27360, 29184, 30780, 31104, 32832, 34560, 36480, 36936, 38880, 41040, 41472, 43776, 46170, 48640, 49248, 51840, 54720, 61560, 62208, 65664, 69120, 72960, 73872, 77760, 82080, 87552, 92340, 98496, 103680, 109440, 123120, 124416, 131328, 145920, 147744, 155520, 164160, 184680, 196992, 207360, 218880, 246240, 262656, 295488, 311040, 328320, 369360, 393984, 437760, 492480, 590976, 622080, 656640, 738720, 787968, 984960, 1181952, 1313280, 1477440, 1969920, 2363904, 2954880, 3939840, 5909760, 11819520]

約数ペア:

[(1, 11819520), (2, 5909760), (3, 3939840), (4, 2954880), (5, 2363904), (6, 1969920), (8, 1477440), (9, 1313280), (10, 1181952), (12, 984960), (15, 787968), (16, 738720), (18, 656640), (19, 622080), (20, 590976), (24, 492480), (27, 437760), (30, 393984), (32, 369360), (36, 328320), (38, 311040), (40, 295488), (45, 262656), (48, 246240), (54, 218880), (57, 207360), (60, 196992), (64, 184680), (72, 164160), (76, 155520), (80, 147744), (81, 145920), (90, 131328), (95, 124416), (96, 123120), (108, 109440), (114, 103680), (120, 98496), (128, 92340), (135, 87552), (144, 82080), (152, 77760), (160, 73872), (162, 72960), (171, 69120), (180, 65664), (190, 62208), (192, 61560), (216, 54720), (228, 51840), (240, 49248), (243, 48640), (256, 46170), (270, 43776), (285, 41472), (288, 41040), (304, 38880), (320, 36936), (324, 36480), (342, 34560), (360, 32832), (380, 31104), (384, 30780), (405, 29184), (432, 27360), (456, 25920), (480, 24624), (486, 24320), (512, 23085), (513, 23040), (540, 21888), (570, 20736), (576, 20520), (608, 19440), (640, 18468), (648, 18240), (684, 17280), (720, 16416), (760, 15552), (768, 15390), (810, 14592), (855, 13824), (864, 13680), (912, 12960), (960, 12312), (972, 12160), (1026, 11520), (1080, 10944), (1140, 10368), (1152, 10260), (1215, 9728), (1216, 9720), (1280, 9234), (1296, 9120), (1368, 8640), (1440, 8208), (1520, 7776), (1536, 7695), (1539, 7680), (1620, 7296), (1710, 6912), (1728, 6840), (1824, 6480), (1920, 6156), (1944, 6080), (2052, 5760), (2160, 5472), (2280, 5184), (2304, 5130), (2430, 4864), (2432, 4860), (2560, 4617), (2565, 4608), (2592, 4560), (2736, 4320), (2880, 4104), (3040, 3888), (3078, 3840), (3240, 3648), (3420, 3456)]