55681920

素因数分解:

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

素因数の和:1413

約数の個数: 192

約数和(自身を含む): 219903840

約数和(自身を除く): 164221920

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, 1381, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2762, 2880, 3360, 4032, 4143, 4480, 5040, 5524, 5760, 6720, 6905, 8064, 8286, 9667, 10080, 11048, 12429, 13440, 13810, 16572, 19334, 20160, 20715, 22096, 24858, 27620, 29001, 33144, 38668, 40320, 41430, 44192, 48335, 49716, 55240, 58002, 62145, 66288, 77336, 82860, 87003, 88384, 96670, 99432, 110480, 116004, 124290, 132576, 145005, 154672, 165720, 174006, 176768, 193340, 198864, 220960, 232008, 248580, 265152, 290010, 309344, 331440, 348012, 386680, 397728, 435015, 441920, 464016, 497160, 530304, 580020, 618688, 662880, 696024, 773360, 795456, 870030, 883840, 928032, 994320, 1160040, 1237376, 1325760, 1392048, 1546720, 1590912, 1740060, 1856064, 1988640, 2320080, 2651520, 2784096, 3093440, 3480120, 3712128, 3977280, 4640160, 5568192, 6186880, 6960240, 7954560, 9280320, 11136384, 13920480, 18560640, 27840960, 55681920]

約数ペア:

[(1, 55681920), (2, 27840960), (3, 18560640), (4, 13920480), (5, 11136384), (6, 9280320), (7, 7954560), (8, 6960240), (9, 6186880), (10, 5568192), (12, 4640160), (14, 3977280), (15, 3712128), (16, 3480120), (18, 3093440), (20, 2784096), (21, 2651520), (24, 2320080), (28, 1988640), (30, 1856064), (32, 1740060), (35, 1590912), (36, 1546720), (40, 1392048), (42, 1325760), (45, 1237376), (48, 1160040), (56, 994320), (60, 928032), (63, 883840), (64, 870030), (70, 795456), (72, 773360), (80, 696024), (84, 662880), (90, 618688), (96, 580020), (105, 530304), (112, 497160), (120, 464016), (126, 441920), (128, 435015), (140, 397728), (144, 386680), (160, 348012), (168, 331440), (180, 309344), (192, 290010), (210, 265152), (224, 248580), (240, 232008), (252, 220960), (280, 198864), (288, 193340), (315, 176768), (320, 174006), (336, 165720), (360, 154672), (384, 145005), (420, 132576), (448, 124290), (480, 116004), (504, 110480), (560, 99432), (576, 96670), (630, 88384), (640, 87003), (672, 82860), (720, 77336), (840, 66288), (896, 62145), (960, 58002), (1008, 55240), (1120, 49716), (1152, 48335), (1260, 44192), (1344, 41430), (1381, 40320), (1440, 38668), (1680, 33144), (1920, 29001), (2016, 27620), (2240, 24858), (2520, 22096), (2688, 20715), (2762, 20160), (2880, 19334), (3360, 16572), (4032, 13810), (4143, 13440), (4480, 12429), (5040, 11048), (5524, 10080), (5760, 9667), (6720, 8286), (6905, 8064)]