20102555280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1889

約数の個数: 160

約数和(自身を含む): 62909009280

約数和(自身を除く): 42806454000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 389, 489, 652, 778, 815, 978, 1167, 1304, 1321, 1556, 1630, 1945, 1956, 2334, 2445, 2608, 2642, 3112, 3260, 3890, 3912, 3963, 4668, 4890, 5284, 5835, 6224, 6520, 6605, 7780, 7824, 7926, 9336, 9780, 10568, 11670, 13040, 13210, 15560, 15852, 18672, 19560, 19815, 21136, 23340, 26420, 31120, 31704, 39120, 39630, 46680, 52840, 63407, 63408, 79260, 93360, 105680, 126814, 158520, 190221, 215323, 253628, 317035, 317040, 380442, 430646, 507256, 513869, 634070, 645969, 760884, 861292, 951105, 1014512, 1027738, 1076615, 1268140, 1291938, 1521768, 1541607, 1722584, 1902210, 2055476, 2153230, 2536280, 2569345, 2583876, 3043536, 3083214, 3229845, 3445168, 3804420, 4110952, 4306460, 5072560, 5138690, 5167752, 6166428, 6459690, 7608840, 7708035, 8221904, 8612920, 10277380, 10335504, 12332856, 12919380, 15217680, 15416070, 17225840, 20554760, 24665712, 25838760, 30832140, 41109520, 51677520, 61664280, 83760647, 123328560, 167521294, 251281941, 335042588, 418803235, 502563882, 670085176, 837606470, 1005127764, 1256409705, 1340170352, 1675212940, 2010255528, 2512819410, 3350425880, 4020511056, 5025638820, 6700851760, 10051277640, 20102555280]

約数ペア:

[(1, 20102555280), (2, 10051277640), (3, 6700851760), (4, 5025638820), (5, 4020511056), (6, 3350425880), (8, 2512819410), (10, 2010255528), (12, 1675212940), (15, 1340170352), (16, 1256409705), (20, 1005127764), (24, 837606470), (30, 670085176), (40, 502563882), (48, 418803235), (60, 335042588), (80, 251281941), (120, 167521294), (163, 123328560), (240, 83760647), (326, 61664280), (389, 51677520), (489, 41109520), (652, 30832140), (778, 25838760), (815, 24665712), (978, 20554760), (1167, 17225840), (1304, 15416070), (1321, 15217680), (1556, 12919380), (1630, 12332856), (1945, 10335504), (1956, 10277380), (2334, 8612920), (2445, 8221904), (2608, 7708035), (2642, 7608840), (3112, 6459690), (3260, 6166428), (3890, 5167752), (3912, 5138690), (3963, 5072560), (4668, 4306460), (4890, 4110952), (5284, 3804420), (5835, 3445168), (6224, 3229845), (6520, 3083214), (6605, 3043536), (7780, 2583876), (7824, 2569345), (7926, 2536280), (9336, 2153230), (9780, 2055476), (10568, 1902210), (11670, 1722584), (13040, 1541607), (13210, 1521768), (15560, 1291938), (15852, 1268140), (18672, 1076615), (19560, 1027738), (19815, 1014512), (21136, 951105), (23340, 861292), (26420, 760884), (31120, 645969), (31704, 634070), (39120, 513869), (39630, 507256), (46680, 430646), (52840, 380442), (63407, 317040), (63408, 317035), (79260, 253628), (93360, 215323), (105680, 190221), (126814, 158520)]