281445480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1848

約数の個数: 192

約数和(自身を含む): 1005264000

約数和(自身を除く): 723818520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 57, 60, 69, 72, 76, 90, 92, 95, 114, 115, 120, 138, 152, 171, 180, 184, 190, 207, 228, 230, 276, 285, 342, 345, 360, 380, 414, 437, 456, 460, 552, 570, 684, 690, 760, 828, 855, 874, 920, 1035, 1140, 1311, 1368, 1380, 1656, 1710, 1748, 1789, 2070, 2185, 2280, 2622, 2760, 3420, 3496, 3578, 3933, 4140, 4370, 5244, 5367, 6555, 6840, 7156, 7866, 8280, 8740, 8945, 10488, 10734, 13110, 14312, 15732, 16101, 17480, 17890, 19665, 21468, 26220, 26835, 31464, 32202, 33991, 35780, 39330, 41147, 42936, 52440, 53670, 64404, 67982, 71560, 78660, 80505, 82294, 101973, 107340, 123441, 128808, 135964, 157320, 161010, 164588, 169955, 203946, 205735, 214680, 246882, 271928, 305919, 322020, 329176, 339910, 370323, 407892, 411470, 493764, 509865, 611838, 617205, 644040, 679820, 740646, 781793, 815784, 822940, 987528, 1019730, 1223676, 1234410, 1359640, 1481292, 1529595, 1563586, 1645880, 1851615, 2039460, 2345379, 2447352, 2468820, 2962584, 3059190, 3127172, 3703230, 3908965, 4078920, 4690758, 4937640, 6118380, 6254344, 7036137, 7406460, 7817930, 9381516, 11726895, 12236760, 14072274, 14812920, 15635860, 18763032, 23453790, 28144548, 31271720, 35180685, 46907580, 56289096, 70361370, 93815160, 140722740, 281445480]

約数ペア:

[(1, 281445480), (2, 140722740), (3, 93815160), (4, 70361370), (5, 56289096), (6, 46907580), (8, 35180685), (9, 31271720), (10, 28144548), (12, 23453790), (15, 18763032), (18, 15635860), (19, 14812920), (20, 14072274), (23, 12236760), (24, 11726895), (30, 9381516), (36, 7817930), (38, 7406460), (40, 7036137), (45, 6254344), (46, 6118380), (57, 4937640), (60, 4690758), (69, 4078920), (72, 3908965), (76, 3703230), (90, 3127172), (92, 3059190), (95, 2962584), (114, 2468820), (115, 2447352), (120, 2345379), (138, 2039460), (152, 1851615), (171, 1645880), (180, 1563586), (184, 1529595), (190, 1481292), (207, 1359640), (228, 1234410), (230, 1223676), (276, 1019730), (285, 987528), (342, 822940), (345, 815784), (360, 781793), (380, 740646), (414, 679820), (437, 644040), (456, 617205), (460, 611838), (552, 509865), (570, 493764), (684, 411470), (690, 407892), (760, 370323), (828, 339910), (855, 329176), (874, 322020), (920, 305919), (1035, 271928), (1140, 246882), (1311, 214680), (1368, 205735), (1380, 203946), (1656, 169955), (1710, 164588), (1748, 161010), (1789, 157320), (2070, 135964), (2185, 128808), (2280, 123441), (2622, 107340), (2760, 101973), (3420, 82294), (3496, 80505), (3578, 78660), (3933, 71560), (4140, 67982), (4370, 64404), (5244, 53670), (5367, 52440), (6555, 42936), (6840, 41147), (7156, 39330), (7866, 35780), (8280, 33991), (8740, 32202), (8945, 31464), (10488, 26835), (10734, 26220), (13110, 21468), (14312, 19665), (15732, 17890), (16101, 17480)]