261315360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9551}}^1$

素因数の和:9591

約数の個数: 144

約数和(自身を含む): 938770560

約数和(自身を除く): 677455200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 9551, 13680, 19102, 27360, 28653, 38204, 47755, 57306, 76408, 85959, 95510, 114612, 143265, 152816, 171918, 181469, 191020, 229224, 286530, 305632, 343836, 362938, 382040, 429795, 458448, 544407, 573060, 687672, 725876, 764080, 859590, 907345, 916896, 1088814, 1146120, 1375344, 1451752, 1528160, 1633221, 1719180, 1814690, 2177628, 2292240, 2722035, 2750688, 2903504, 3266442, 3438360, 3629380, 4355256, 4584480, 5444070, 5807008, 6532884, 6876720, 7258760, 8166105, 8710512, 10888140, 13065768, 13753440, 14517520, 16332210, 17421024, 21776280, 26131536, 29035040, 32664420, 43552560, 52263072, 65328840, 87105120, 130657680, 261315360]

約数ペア:

[(1, 261315360), (2, 130657680), (3, 87105120), (4, 65328840), (5, 52263072), (6, 43552560), (8, 32664420), (9, 29035040), (10, 26131536), (12, 21776280), (15, 17421024), (16, 16332210), (18, 14517520), (19, 13753440), (20, 13065768), (24, 10888140), (30, 8710512), (32, 8166105), (36, 7258760), (38, 6876720), (40, 6532884), (45, 5807008), (48, 5444070), (57, 4584480), (60, 4355256), (72, 3629380), (76, 3438360), (80, 3266442), (90, 2903504), (95, 2750688), (96, 2722035), (114, 2292240), (120, 2177628), (144, 1814690), (152, 1719180), (160, 1633221), (171, 1528160), (180, 1451752), (190, 1375344), (228, 1146120), (240, 1088814), (285, 916896), (288, 907345), (304, 859590), (342, 764080), (360, 725876), (380, 687672), (456, 573060), (480, 544407), (570, 458448), (608, 429795), (684, 382040), (720, 362938), (760, 343836), (855, 305632), (912, 286530), (1140, 229224), (1368, 191020), (1440, 181469), (1520, 171918), (1710, 152816), (1824, 143265), (2280, 114612), (2736, 95510), (3040, 85959), (3420, 76408), (4560, 57306), (5472, 47755), (6840, 38204), (9120, 28653), (9551, 27360), (13680, 19102)]