56142720

素因数分解:

$2^7\times 3^5\times 5^1\times {\mathrm{19}}^2$

素因数の和:72

約数の個数: 288

約数和(自身を含む): 212186520

約数和(自身を除く): 156043800

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, 270, 285, 288, 304, 320, 324, 342, 360, 361, 380, 384, 405, 432, 456, 480, 486, 513, 540, 570, 576, 608, 640, 648, 684, 720, 722, 760, 810, 855, 864, 912, 960, 972, 1026, 1080, 1083, 1140, 1152, 1215, 1216, 1296, 1368, 1440, 1444, 1520, 1539, 1620, 1710, 1728, 1805, 1824, 1920, 1944, 2052, 2160, 2166, 2280, 2430, 2432, 2565, 2592, 2736, 2880, 2888, 3040, 3078, 3240, 3249, 3420, 3456, 3610, 3648, 3888, 4104, 4320, 4332, 4560, 4617, 4860, 5130, 5184, 5415, 5472, 5760, 5776, 6080, 6156, 6480, 6498, 6840, 7220, 7296, 7695, 7776, 8208, 8640, 8664, 9120, 9234, 9720, 9747, 10260, 10368, 10830, 10944, 11552, 12160, 12312, 12960, 12996, 13680, 14440, 15390, 15552, 16245, 16416, 17280, 17328, 18240, 18468, 19440, 19494, 20520, 21660, 21888, 23085, 23104, 24624, 25920, 25992, 27360, 28880, 29241, 30780, 31104, 32490, 32832, 34656, 36480, 36936, 38880, 38988, 41040, 43320, 46170, 46208, 48735, 49248, 51840, 51984, 54720, 57760, 58482, 61560, 64980, 65664, 69312, 73872, 77760, 77976, 82080, 86640, 87723, 92340, 97470, 98496, 103968, 109440, 115520, 116964, 123120, 129960, 138624, 146205, 147744, 155520, 155952, 164160, 173280, 175446, 184680, 194940, 196992, 207936, 231040, 233928, 246240, 259920, 292410, 295488, 311904, 328320, 346560, 350892, 369360, 389880, 415872, 438615, 467856, 492480, 519840, 584820, 590976, 623808, 693120, 701784, 738720, 779760, 877230, 935712, 984960, 1039680, 1169640, 1247616, 1403568, 1477440, 1559520, 1754460, 1871424, 2079360, 2339280, 2807136, 2954880, 3119040, 3508920, 3742848, 4678560, 5614272, 6238080, 7017840, 9357120, 11228544, 14035680, 18714240, 28071360, 56142720]

約数ペア:

[(1, 56142720), (2, 28071360), (3, 18714240), (4, 14035680), (5, 11228544), (6, 9357120), (8, 7017840), (9, 6238080), (10, 5614272), (12, 4678560), (15, 3742848), (16, 3508920), (18, 3119040), (19, 2954880), (20, 2807136), (24, 2339280), (27, 2079360), (30, 1871424), (32, 1754460), (36, 1559520), (38, 1477440), (40, 1403568), (45, 1247616), (48, 1169640), (54, 1039680), (57, 984960), (60, 935712), (64, 877230), (72, 779760), (76, 738720), (80, 701784), (81, 693120), (90, 623808), (95, 590976), (96, 584820), (108, 519840), (114, 492480), (120, 467856), (128, 438615), (135, 415872), (144, 389880), (152, 369360), (160, 350892), (162, 346560), (171, 328320), (180, 311904), (190, 295488), (192, 292410), (216, 259920), (228, 246240), (240, 233928), (243, 231040), (270, 207936), (285, 196992), (288, 194940), (304, 184680), (320, 175446), (324, 173280), (342, 164160), (360, 155952), (361, 155520), (380, 147744), (384, 146205), (405, 138624), (432, 129960), (456, 123120), (480, 116964), (486, 115520), (513, 109440), (540, 103968), (570, 98496), (576, 97470), (608, 92340), (640, 87723), (648, 86640), (684, 82080), (720, 77976), (722, 77760), (760, 73872), (810, 69312), (855, 65664), (864, 64980), (912, 61560), (960, 58482), (972, 57760), (1026, 54720), (1080, 51984), (1083, 51840), (1140, 49248), (1152, 48735), (1215, 46208), (1216, 46170), (1296, 43320), (1368, 41040), (1440, 38988), (1444, 38880), (1520, 36936), (1539, 36480), (1620, 34656), (1710, 32832), (1728, 32490), (1805, 31104), (1824, 30780), (1920, 29241), (1944, 28880), (2052, 27360), (2160, 25992), (2166, 25920), (2280, 24624), (2430, 23104), (2432, 23085), (2565, 21888), (2592, 21660), (2736, 20520), (2880, 19494), (2888, 19440), (3040, 18468), (3078, 18240), (3240, 17328), (3249, 17280), (3420, 16416), (3456, 16245), (3610, 15552), (3648, 15390), (3888, 14440), (4104, 13680), (4320, 12996), (4332, 12960), (4560, 12312), (4617, 12160), (4860, 11552), (5130, 10944), (5184, 10830), (5415, 10368), (5472, 10260), (5760, 9747), (5776, 9720), (6080, 9234), (6156, 9120), (6480, 8664), (6498, 8640), (6840, 8208), (7220, 7776), (7296, 7695)]