27840960

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1411

約数の個数: 168

約数和(自身を含む): 109520736

約数和(自身を除く): 81679776

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, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1381, 1440, 1680, 2016, 2240, 2520, 2762, 2880, 3360, 4032, 4143, 5040, 5524, 6720, 6905, 8286, 9667, 10080, 11048, 12429, 13810, 16572, 19334, 20160, 20715, 22096, 24858, 27620, 29001, 33144, 38668, 41430, 44192, 48335, 49716, 55240, 58002, 62145, 66288, 77336, 82860, 87003, 88384, 96670, 99432, 110480, 116004, 124290, 132576, 145005, 154672, 165720, 174006, 193340, 198864, 220960, 232008, 248580, 265152, 290010, 309344, 331440, 348012, 386680, 397728, 435015, 441920, 464016, 497160, 580020, 618688, 662880, 696024, 773360, 795456, 870030, 928032, 994320, 1160040, 1325760, 1392048, 1546720, 1740060, 1856064, 1988640, 2320080, 2784096, 3093440, 3480120, 3977280, 4640160, 5568192, 6960240, 9280320, 13920480, 27840960]

約数ペア:

[(1, 27840960), (2, 13920480), (3, 9280320), (4, 6960240), (5, 5568192), (6, 4640160), (7, 3977280), (8, 3480120), (9, 3093440), (10, 2784096), (12, 2320080), (14, 1988640), (15, 1856064), (16, 1740060), (18, 1546720), (20, 1392048), (21, 1325760), (24, 1160040), (28, 994320), (30, 928032), (32, 870030), (35, 795456), (36, 773360), (40, 696024), (42, 662880), (45, 618688), (48, 580020), (56, 497160), (60, 464016), (63, 441920), (64, 435015), (70, 397728), (72, 386680), (80, 348012), (84, 331440), (90, 309344), (96, 290010), (105, 265152), (112, 248580), (120, 232008), (126, 220960), (140, 198864), (144, 193340), (160, 174006), (168, 165720), (180, 154672), (192, 145005), (210, 132576), (224, 124290), (240, 116004), (252, 110480), (280, 99432), (288, 96670), (315, 88384), (320, 87003), (336, 82860), (360, 77336), (420, 66288), (448, 62145), (480, 58002), (504, 55240), (560, 49716), (576, 48335), (630, 44192), (672, 41430), (720, 38668), (840, 33144), (960, 29001), (1008, 27620), (1120, 24858), (1260, 22096), (1344, 20715), (1381, 20160), (1440, 19334), (1680, 16572), (2016, 13810), (2240, 12429), (2520, 11048), (2762, 10080), (2880, 9667), (3360, 8286), (4032, 6905), (4143, 6720), (5040, 5524)]