281171520

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4649}}^1$

素因数の和:4682

約数の個数: 224

約数和(自身を含む): 1133856000

約数和(自身を除く): 852684480

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, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 4649, 5040, 6048, 6720, 7560, 8640, 9298, 10080, 12096, 13947, 15120, 18596, 20160, 23245, 27894, 30240, 32543, 37192, 41841, 46490, 55788, 60480, 65086, 69735, 74384, 83682, 92980, 97629, 111576, 125523, 130172, 139470, 148768, 162715, 167364, 185960, 195258, 209205, 223152, 251046, 260344, 278940, 292887, 297536, 325430, 334728, 371920, 390516, 418410, 446304, 488145, 502092, 520688, 557880, 585774, 627615, 650860, 669456, 743840, 781032, 836820, 878661, 892608, 976290, 1004184, 1041376, 1115760, 1171548, 1255230, 1301720, 1338912, 1464435, 1487680, 1562064, 1673640, 1757322, 1952580, 2008368, 2082752, 2231520, 2343096, 2510460, 2603440, 2677824, 2928870, 3124128, 3347280, 3514644, 3905160, 4016736, 4393305, 4463040, 4686192, 5020920, 5206880, 5857740, 6248256, 6694560, 7029288, 7810320, 8033472, 8786610, 9372384, 10041840, 10413760, 11715480, 13389120, 14058576, 15620640, 17573220, 18744768, 20083680, 23430960, 28117152, 31241280, 35146440, 40167360, 46861920, 56234304, 70292880, 93723840, 140585760, 281171520]

約数ペア:

[(1, 281171520), (2, 140585760), (3, 93723840), (4, 70292880), (5, 56234304), (6, 46861920), (7, 40167360), (8, 35146440), (9, 31241280), (10, 28117152), (12, 23430960), (14, 20083680), (15, 18744768), (16, 17573220), (18, 15620640), (20, 14058576), (21, 13389120), (24, 11715480), (27, 10413760), (28, 10041840), (30, 9372384), (32, 8786610), (35, 8033472), (36, 7810320), (40, 7029288), (42, 6694560), (45, 6248256), (48, 5857740), (54, 5206880), (56, 5020920), (60, 4686192), (63, 4463040), (64, 4393305), (70, 4016736), (72, 3905160), (80, 3514644), (84, 3347280), (90, 3124128), (96, 2928870), (105, 2677824), (108, 2603440), (112, 2510460), (120, 2343096), (126, 2231520), (135, 2082752), (140, 2008368), (144, 1952580), (160, 1757322), (168, 1673640), (180, 1562064), (189, 1487680), (192, 1464435), (210, 1338912), (216, 1301720), (224, 1255230), (240, 1171548), (252, 1115760), (270, 1041376), (280, 1004184), (288, 976290), (315, 892608), (320, 878661), (336, 836820), (360, 781032), (378, 743840), (420, 669456), (432, 650860), (448, 627615), (480, 585774), (504, 557880), (540, 520688), (560, 502092), (576, 488145), (630, 446304), (672, 418410), (720, 390516), (756, 371920), (840, 334728), (864, 325430), (945, 297536), (960, 292887), (1008, 278940), (1080, 260344), (1120, 251046), (1260, 223152), (1344, 209205), (1440, 195258), (1512, 185960), (1680, 167364), (1728, 162715), (1890, 148768), (2016, 139470), (2160, 130172), (2240, 125523), (2520, 111576), (2880, 97629), (3024, 92980), (3360, 83682), (3780, 74384), (4032, 69735), (4320, 65086), (4649, 60480), (5040, 55788), (6048, 46490), (6720, 41841), (7560, 37192), (8640, 32543), (9298, 30240), (10080, 27894), (12096, 23245), (13947, 20160), (15120, 18596)]