20304637360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1\times {\mathrm{1289}}^1$

素因数の和:2555

約数の個数: 160

約数和(自身を含む): 56387819520

約数和(自身を除く): 36083182160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1223, 1288, 1289, 1610, 1840, 2446, 2576, 2578, 3220, 4892, 5156, 6115, 6440, 6445, 8561, 9023, 9784, 10312, 12230, 12880, 12890, 17122, 18046, 19568, 20624, 24460, 25780, 28129, 29647, 34244, 36092, 42805, 45115, 48920, 51560, 56258, 59294, 68488, 72184, 85610, 90230, 97840, 103120, 112516, 118588, 136976, 140645, 144368, 148235, 171220, 180460, 196903, 207529, 225032, 237176, 281290, 296470, 342440, 360920, 393806, 415058, 450064, 474352, 562580, 592940, 684880, 721840, 787612, 830116, 984515, 1037645, 1125160, 1185880, 1575224, 1576447, 1660232, 1969030, 2075290, 2250320, 2371760, 3150448, 3152894, 3320464, 3938060, 4150580, 6305788, 7876120, 7882235, 8301160, 11035129, 12611576, 15752240, 15764470, 16602320, 22070258, 25223152, 31528940, 36258281, 44140516, 55175645, 63057880, 72516562, 88281032, 110351290, 126115760, 145033124, 176562064, 181291405, 220702580, 253807967, 290066248, 362582810, 441405160, 507615934, 580132496, 725165620, 882810320, 1015231868, 1269039835, 1450331240, 2030463736, 2538079670, 2900662480, 4060927472, 5076159340, 10152318680, 20304637360]

約数ペア:

[(1, 20304637360), (2, 10152318680), (4, 5076159340), (5, 4060927472), (7, 2900662480), (8, 2538079670), (10, 2030463736), (14, 1450331240), (16, 1269039835), (20, 1015231868), (23, 882810320), (28, 725165620), (35, 580132496), (40, 507615934), (46, 441405160), (56, 362582810), (70, 290066248), (80, 253807967), (92, 220702580), (112, 181291405), (115, 176562064), (140, 145033124), (161, 126115760), (184, 110351290), (230, 88281032), (280, 72516562), (322, 63057880), (368, 55175645), (460, 44140516), (560, 36258281), (644, 31528940), (805, 25223152), (920, 22070258), (1223, 16602320), (1288, 15764470), (1289, 15752240), (1610, 12611576), (1840, 11035129), (2446, 8301160), (2576, 7882235), (2578, 7876120), (3220, 6305788), (4892, 4150580), (5156, 3938060), (6115, 3320464), (6440, 3152894), (6445, 3150448), (8561, 2371760), (9023, 2250320), (9784, 2075290), (10312, 1969030), (12230, 1660232), (12880, 1576447), (12890, 1575224), (17122, 1185880), (18046, 1125160), (19568, 1037645), (20624, 984515), (24460, 830116), (25780, 787612), (28129, 721840), (29647, 684880), (34244, 592940), (36092, 562580), (42805, 474352), (45115, 450064), (48920, 415058), (51560, 393806), (56258, 360920), (59294, 342440), (68488, 296470), (72184, 281290), (85610, 237176), (90230, 225032), (97840, 207529), (103120, 196903), (112516, 180460), (118588, 171220), (136976, 148235), (140645, 144368)]