20707326720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9931}}^1$

素因数の和:10139

約数の個数: 216

約数和(自身を含む): 72048277392

約数和(自身を除く): 51340950672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 181, 192, 240, 256, 288, 320, 360, 362, 384, 480, 543, 576, 640, 720, 724, 768, 905, 960, 1086, 1152, 1280, 1440, 1448, 1629, 1810, 1920, 2172, 2304, 2715, 2880, 2896, 3258, 3620, 3840, 4344, 5430, 5760, 5792, 6516, 7240, 8145, 8688, 9931, 10860, 11520, 11584, 13032, 14480, 16290, 17376, 19862, 21720, 23168, 26064, 28960, 29793, 32580, 34752, 39724, 43440, 46336, 49655, 52128, 57920, 59586, 65160, 69504, 79448, 86880, 89379, 99310, 104256, 115840, 119172, 130320, 139008, 148965, 158896, 173760, 178758, 198620, 208512, 231680, 238344, 260640, 297930, 317792, 347520, 357516, 397240, 417024, 446895, 476688, 521280, 595860, 635584, 695040, 715032, 794480, 893790, 953376, 1042560, 1191720, 1271168, 1430064, 1588960, 1787580, 1797511, 1906752, 2085120, 2383440, 2542336, 2860128, 3177920, 3575160, 3595022, 3813504, 4766880, 5392533, 5720256, 6355840, 7150320, 7190044, 7627008, 8987555, 9533760, 10785066, 11440512, 12711680, 14300640, 14380088, 16177599, 17975110, 19067520, 21570132, 22881024, 26962665, 28601280, 28760176, 32355198, 35950220, 38135040, 43140264, 53925330, 57202560, 57520352, 64710396, 71900440, 80887995, 86280528, 107850660, 114405120, 115040704, 129420792, 143800880, 161775990, 172561056, 215701320, 230081408, 258841584, 287601760, 323551980, 345122112, 431402640, 460162816, 517683168, 575203520, 647103960, 690244224, 862805280, 1035366336, 1150407040, 1294207920, 1380488448, 1725610560, 2070732672, 2300814080, 2588415840, 3451221120, 4141465344, 5176831680, 6902442240, 10353663360, 20707326720]

約数ペア:

[(1, 20707326720), (2, 10353663360), (3, 6902442240), (4, 5176831680), (5, 4141465344), (6, 3451221120), (8, 2588415840), (9, 2300814080), (10, 2070732672), (12, 1725610560), (15, 1380488448), (16, 1294207920), (18, 1150407040), (20, 1035366336), (24, 862805280), (30, 690244224), (32, 647103960), (36, 575203520), (40, 517683168), (45, 460162816), (48, 431402640), (60, 345122112), (64, 323551980), (72, 287601760), (80, 258841584), (90, 230081408), (96, 215701320), (120, 172561056), (128, 161775990), (144, 143800880), (160, 129420792), (180, 115040704), (181, 114405120), (192, 107850660), (240, 86280528), (256, 80887995), (288, 71900440), (320, 64710396), (360, 57520352), (362, 57202560), (384, 53925330), (480, 43140264), (543, 38135040), (576, 35950220), (640, 32355198), (720, 28760176), (724, 28601280), (768, 26962665), (905, 22881024), (960, 21570132), (1086, 19067520), (1152, 17975110), (1280, 16177599), (1440, 14380088), (1448, 14300640), (1629, 12711680), (1810, 11440512), (1920, 10785066), (2172, 9533760), (2304, 8987555), (2715, 7627008), (2880, 7190044), (2896, 7150320), (3258, 6355840), (3620, 5720256), (3840, 5392533), (4344, 4766880), (5430, 3813504), (5760, 3595022), (5792, 3575160), (6516, 3177920), (7240, 2860128), (8145, 2542336), (8688, 2383440), (9931, 2085120), (10860, 1906752), (11520, 1797511), (11584, 1787580), (13032, 1588960), (14480, 1430064), (16290, 1271168), (17376, 1191720), (19862, 1042560), (21720, 953376), (23168, 893790), (26064, 794480), (28960, 715032), (29793, 695040), (32580, 635584), (34752, 595860), (39724, 521280), (43440, 476688), (46336, 446895), (49655, 417024), (52128, 397240), (57920, 357516), (59586, 347520), (65160, 317792), (69504, 297930), (79448, 260640), (86880, 238344), (89379, 231680), (99310, 208512), (104256, 198620), (115840, 178758), (119172, 173760), (130320, 158896), (139008, 148965)]