20875639680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{172583}}^1$

素因数の和:172618

約数の個数: 256

約数和(自身を含む): 84497126400

約数和(自身を除く): 63621486720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 172583, 345166, 517749, 690332, 862915, 1035498, 1208081, 1380664, 1553247, 1725830, 2070996, 2416162, 2588745, 2761328, 3106494, 3451660, 3624243, 4141992, 4659741, 4832324, 5177490, 5522656, 6040405, 6212988, 6903320, 7248486, 7766235, 8283984, 9319482, 9664648, 10354980, 10872729, 11045312, 12080810, 12425976, 13806640, 14496972, 15532470, 16567968, 18121215, 18638964, 19329296, 20709960, 21745458, 22090624, 23298705, 24161620, 24851952, 27613280, 28993944, 31064940, 32618187, 33135936, 36242430, 37277928, 38658592, 41419920, 43490916, 46597410, 48323240, 49703904, 54363645, 55226560, 57987888, 62129880, 65236374, 66271872, 72484860, 74555856, 77317184, 82839840, 86981832, 93194820, 96646480, 99407808, 108727290, 110453120, 115975776, 124259760, 130472748, 144969720, 149111712, 154634368, 163090935, 165679680, 173963664, 186389640, 193292960, 198815616, 217454580, 231951552, 248519520, 260945496, 289939440, 298223424, 326181870, 331359360, 347927328, 372779280, 386585920, 434909160, 463903104, 497039040, 521890992, 579878880, 596446848, 652363740, 695854656, 745558560, 773171840, 869818320, 994078080, 1043781984, 1159757760, 1304727480, 1391709312, 1491117120, 1739636640, 2087563968, 2319515520, 2609454960, 2982234240, 3479273280, 4175127936, 5218909920, 6958546560, 10437819840, 20875639680]

約数ペア:

[(1, 20875639680), (2, 10437819840), (3, 6958546560), (4, 5218909920), (5, 4175127936), (6, 3479273280), (7, 2982234240), (8, 2609454960), (9, 2319515520), (10, 2087563968), (12, 1739636640), (14, 1491117120), (15, 1391709312), (16, 1304727480), (18, 1159757760), (20, 1043781984), (21, 994078080), (24, 869818320), (27, 773171840), (28, 745558560), (30, 695854656), (32, 652363740), (35, 596446848), (36, 579878880), (40, 521890992), (42, 497039040), (45, 463903104), (48, 434909160), (54, 386585920), (56, 372779280), (60, 347927328), (63, 331359360), (64, 326181870), (70, 298223424), (72, 289939440), (80, 260945496), (84, 248519520), (90, 231951552), (96, 217454580), (105, 198815616), (108, 193292960), (112, 186389640), (120, 173963664), (126, 165679680), (128, 163090935), (135, 154634368), (140, 149111712), (144, 144969720), (160, 130472748), (168, 124259760), (180, 115975776), (189, 110453120), (192, 108727290), (210, 99407808), (216, 96646480), (224, 93194820), (240, 86981832), (252, 82839840), (270, 77317184), (280, 74555856), (288, 72484860), (315, 66271872), (320, 65236374), (336, 62129880), (360, 57987888), (378, 55226560), (384, 54363645), (420, 49703904), (432, 48323240), (448, 46597410), (480, 43490916), (504, 41419920), (540, 38658592), (560, 37277928), (576, 36242430), (630, 33135936), (640, 32618187), (672, 31064940), (720, 28993944), (756, 27613280), (840, 24851952), (864, 24161620), (896, 23298705), (945, 22090624), (960, 21745458), (1008, 20709960), (1080, 19329296), (1120, 18638964), (1152, 18121215), (1260, 16567968), (1344, 15532470), (1440, 14496972), (1512, 13806640), (1680, 12425976), (1728, 12080810), (1890, 11045312), (1920, 10872729), (2016, 10354980), (2160, 9664648), (2240, 9319482), (2520, 8283984), (2688, 7766235), (2880, 7248486), (3024, 6903320), (3360, 6212988), (3456, 6040405), (3780, 5522656), (4032, 5177490), (4320, 4832324), (4480, 4659741), (5040, 4141992), (5760, 3624243), (6048, 3451660), (6720, 3106494), (7560, 2761328), (8064, 2588745), (8640, 2416162), (10080, 2070996), (12096, 1725830), (13440, 1553247), (15120, 1380664), (17280, 1208081), (20160, 1035498), (24192, 862915), (30240, 690332), (40320, 517749), (60480, 345166), (120960, 172583)]