18887989680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197243}}^1$

素因数の和:197288

約数の個数: 240

約数和(自身を含む): 76309758720

約数和(自身を除く): 57421769040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13680, 15960, 19152, 23940, 31920, 47880, 95760, 197243, 394486, 591729, 788972, 986215, 1183458, 1380701, 1577944, 1775187, 1972430, 2366916, 2761402, 2958645, 3155888, 3550374, 3747617, 3944860, 4142103, 4733832, 5522804, 5917290, 6903505, 7100748, 7495234, 7889720, 8284206, 8875935, 9467664, 11045608, 11242851, 11834580, 12426309, 13807010, 14201496, 14990468, 15779440, 16568412, 17751870, 18738085, 20710515, 22091216, 22485702, 23669160, 24852618, 26233319, 27614020, 28402992, 29980936, 33136824, 33728553, 35503740, 37476170, 41421030, 44971404, 47338320, 49705236, 52466638, 55228040, 56214255, 59961872, 62131545, 66273648, 67457106, 71007480, 74952340, 78699957, 82842060, 89942808, 99410472, 104933276, 110456080, 112428510, 124263090, 131166595, 134914212, 142014960, 149904680, 157399914, 165684120, 168642765, 179885616, 198820944, 209866552, 224857020, 236099871, 248526180, 262333190, 269828424, 299809360, 314799828, 331368240, 337285530, 393499785, 419733104, 449714040, 472199742, 497052360, 524666380, 539656848, 629599656, 674571060, 786999570, 899428080, 944399484, 994104720, 1049332760, 1180499355, 1259199312, 1349142120, 1573999140, 1888798968, 2098665520, 2360998710, 2698284240, 3147998280, 3777597936, 4721997420, 6295996560, 9443994840, 18887989680]

約数ペア:

[(1, 18887989680), (2, 9443994840), (3, 6295996560), (4, 4721997420), (5, 3777597936), (6, 3147998280), (7, 2698284240), (8, 2360998710), (9, 2098665520), (10, 1888798968), (12, 1573999140), (14, 1349142120), (15, 1259199312), (16, 1180499355), (18, 1049332760), (19, 994104720), (20, 944399484), (21, 899428080), (24, 786999570), (28, 674571060), (30, 629599656), (35, 539656848), (36, 524666380), (38, 497052360), (40, 472199742), (42, 449714040), (45, 419733104), (48, 393499785), (56, 337285530), (57, 331368240), (60, 314799828), (63, 299809360), (70, 269828424), (72, 262333190), (76, 248526180), (80, 236099871), (84, 224857020), (90, 209866552), (95, 198820944), (105, 179885616), (112, 168642765), (114, 165684120), (120, 157399914), (126, 149904680), (133, 142014960), (140, 134914212), (144, 131166595), (152, 124263090), (168, 112428510), (171, 110456080), (180, 104933276), (190, 99410472), (210, 89942808), (228, 82842060), (240, 78699957), (252, 74952340), (266, 71007480), (280, 67457106), (285, 66273648), (304, 62131545), (315, 59961872), (336, 56214255), (342, 55228040), (360, 52466638), (380, 49705236), (399, 47338320), (420, 44971404), (456, 41421030), (504, 37476170), (532, 35503740), (560, 33728553), (570, 33136824), (630, 29980936), (665, 28402992), (684, 27614020), (720, 26233319), (760, 24852618), (798, 23669160), (840, 22485702), (855, 22091216), (912, 20710515), (1008, 18738085), (1064, 17751870), (1140, 16568412), (1197, 15779440), (1260, 14990468), (1330, 14201496), (1368, 13807010), (1520, 12426309), (1596, 11834580), (1680, 11242851), (1710, 11045608), (1995, 9467664), (2128, 8875935), (2280, 8284206), (2394, 7889720), (2520, 7495234), (2660, 7100748), (2736, 6903505), (3192, 5917290), (3420, 5522804), (3990, 4733832), (4560, 4142103), (4788, 3944860), (5040, 3747617), (5320, 3550374), (5985, 3155888), (6384, 2958645), (6840, 2761402), (7980, 2366916), (9576, 1972430), (10640, 1775187), (11970, 1577944), (13680, 1380701), (15960, 1183458), (19152, 986215), (23940, 788972), (31920, 591729), (47880, 394486), (95760, 197243)]