18714240

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{19}}^2$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 70534530

約数和(自身を除く): 51820290

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

約数ペア:

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