1990558080

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{49369}}^1$

素因数の和:49401

約数の個数: 192

約数和(自身を含む): 7855754400

約数和(自身を除く): 5865196320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 49369, 98738, 148107, 197476, 246845, 296214, 345583, 394952, 444321, 493690, 592428, 691166, 740535, 789904, 888642, 987380, 1036749, 1184856, 1382332, 1481070, 1579808, 1727915, 1777284, 1974760, 2073498, 2221605, 2369712, 2764664, 2962140, 3110247, 3159616, 3455830, 3554568, 3949520, 4146996, 4443210, 4739424, 5183745, 5529328, 5924280, 6220494, 6319232, 6911660, 7109136, 7899040, 8293992, 8886420, 9478848, 10367490, 11058656, 11848560, 12440988, 13823320, 14218272, 15551235, 15798080, 16587984, 17772840, 18957696, 20734980, 22117312, 23697120, 24881976, 27646640, 28436544, 31102470, 31596160, 33175968, 35545680, 41469960, 44234624, 47394240, 49763952, 55293280, 56873088, 62204940, 66351936, 71091360, 82939920, 94788480, 99527904, 110586560, 124409880, 132703872, 142182720, 165879840, 199055808, 221173120, 248819760, 284365440, 331759680, 398111616, 497639520, 663519360, 995279040, 1990558080]

約数ペア:

[(1, 1990558080), (2, 995279040), (3, 663519360), (4, 497639520), (5, 398111616), (6, 331759680), (7, 284365440), (8, 248819760), (9, 221173120), (10, 199055808), (12, 165879840), (14, 142182720), (15, 132703872), (16, 124409880), (18, 110586560), (20, 99527904), (21, 94788480), (24, 82939920), (28, 71091360), (30, 66351936), (32, 62204940), (35, 56873088), (36, 55293280), (40, 49763952), (42, 47394240), (45, 44234624), (48, 41469960), (56, 35545680), (60, 33175968), (63, 31596160), (64, 31102470), (70, 28436544), (72, 27646640), (80, 24881976), (84, 23697120), (90, 22117312), (96, 20734980), (105, 18957696), (112, 17772840), (120, 16587984), (126, 15798080), (128, 15551235), (140, 14218272), (144, 13823320), (160, 12440988), (168, 11848560), (180, 11058656), (192, 10367490), (210, 9478848), (224, 8886420), (240, 8293992), (252, 7899040), (280, 7109136), (288, 6911660), (315, 6319232), (320, 6220494), (336, 5924280), (360, 5529328), (384, 5183745), (420, 4739424), (448, 4443210), (480, 4146996), (504, 3949520), (560, 3554568), (576, 3455830), (630, 3159616), (640, 3110247), (672, 2962140), (720, 2764664), (840, 2369712), (896, 2221605), (960, 2073498), (1008, 1974760), (1120, 1777284), (1152, 1727915), (1260, 1579808), (1344, 1481070), (1440, 1382332), (1680, 1184856), (1920, 1036749), (2016, 987380), (2240, 888642), (2520, 789904), (2688, 740535), (2880, 691166), (3360, 592428), (4032, 493690), (4480, 444321), (5040, 394952), (5760, 345583), (6720, 296214), (8064, 246845), (10080, 197476), (13440, 148107), (20160, 98738), (40320, 49369)]