2021812240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 160

約数和(自身を含む): 5679636480

約数和(自身を除く): 3657824240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 79, 80, 92, 112, 115, 140, 158, 161, 184, 230, 280, 316, 322, 368, 395, 460, 553, 560, 632, 644, 790, 805, 920, 1106, 1264, 1288, 1580, 1610, 1817, 1840, 1987, 2212, 2576, 2765, 3160, 3220, 3634, 3974, 4424, 5530, 6320, 6440, 7268, 7948, 8848, 9085, 9935, 11060, 12719, 12880, 13909, 14536, 15896, 18170, 19870, 22120, 25438, 27818, 29072, 31792, 36340, 39740, 44240, 45701, 50876, 55636, 63595, 69545, 72680, 79480, 91402, 101752, 111272, 127190, 139090, 145360, 156973, 158960, 182804, 203504, 222544, 228505, 254380, 278180, 313946, 319907, 365608, 457010, 508760, 556360, 627892, 639814, 731216, 784865, 914020, 1017520, 1098811, 1112720, 1255784, 1279628, 1569730, 1599535, 1828040, 2197622, 2511568, 2559256, 3139460, 3199070, 3610379, 3656080, 4395244, 5118512, 5494055, 6278920, 6398140, 7220758, 8790488, 10988110, 12557840, 12796280, 14441516, 17580976, 18051895, 21976220, 25272653, 25592560, 28883032, 36103790, 43952440, 50545306, 57766064, 72207580, 87904880, 101090612, 126363265, 144415160, 202181224, 252726530, 288830320, 404362448, 505453060, 1010906120, 2021812240]

約数ペア:

[(1, 2021812240), (2, 1010906120), (4, 505453060), (5, 404362448), (7, 288830320), (8, 252726530), (10, 202181224), (14, 144415160), (16, 126363265), (20, 101090612), (23, 87904880), (28, 72207580), (35, 57766064), (40, 50545306), (46, 43952440), (56, 36103790), (70, 28883032), (79, 25592560), (80, 25272653), (92, 21976220), (112, 18051895), (115, 17580976), (140, 14441516), (158, 12796280), (161, 12557840), (184, 10988110), (230, 8790488), (280, 7220758), (316, 6398140), (322, 6278920), (368, 5494055), (395, 5118512), (460, 4395244), (553, 3656080), (560, 3610379), (632, 3199070), (644, 3139460), (790, 2559256), (805, 2511568), (920, 2197622), (1106, 1828040), (1264, 1599535), (1288, 1569730), (1580, 1279628), (1610, 1255784), (1817, 1112720), (1840, 1098811), (1987, 1017520), (2212, 914020), (2576, 784865), (2765, 731216), (3160, 639814), (3220, 627892), (3634, 556360), (3974, 508760), (4424, 457010), (5530, 365608), (6320, 319907), (6440, 313946), (7268, 278180), (7948, 254380), (8848, 228505), (9085, 222544), (9935, 203504), (11060, 182804), (12719, 158960), (12880, 156973), (13909, 145360), (14536, 139090), (15896, 127190), (18170, 111272), (19870, 101752), (22120, 91402), (25438, 79480), (27818, 72680), (29072, 69545), (31792, 63595), (36340, 55636), (39740, 50876), (44240, 45701)]