1781236656

素因数分解:

$2^4\times 3^5\times {\mathrm{23}}^1\times {\mathrm{19919}}^1$

素因数の和:19965

約数の個数: 120

約数和(自身を含む): 5394654720

約数和(自身を除く): 3613418064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 243, 276, 324, 368, 414, 432, 486, 552, 621, 648, 828, 972, 1104, 1242, 1296, 1656, 1863, 1944, 2484, 3312, 3726, 3888, 4968, 5589, 7452, 9936, 11178, 14904, 19919, 22356, 29808, 39838, 44712, 59757, 79676, 89424, 119514, 159352, 179271, 239028, 318704, 358542, 458137, 478056, 537813, 717084, 916274, 956112, 1075626, 1374411, 1434168, 1613439, 1832548, 2151252, 2748822, 2868336, 3226878, 3665096, 4123233, 4302504, 4840317, 5497644, 6453756, 7330192, 8246466, 8605008, 9680634, 10995288, 12369699, 12907512, 16492932, 19361268, 21990576, 24739398, 25815024, 32985864, 37109097, 38722536, 49478796, 65971728, 74218194, 77445072, 98957592, 111327291, 148436388, 197915184, 222654582, 296872776, 445309164, 593745552, 890618328, 1781236656]

約数ペア:

[(1, 1781236656), (2, 890618328), (3, 593745552), (4, 445309164), (6, 296872776), (8, 222654582), (9, 197915184), (12, 148436388), (16, 111327291), (18, 98957592), (23, 77445072), (24, 74218194), (27, 65971728), (36, 49478796), (46, 38722536), (48, 37109097), (54, 32985864), (69, 25815024), (72, 24739398), (81, 21990576), (92, 19361268), (108, 16492932), (138, 12907512), (144, 12369699), (162, 10995288), (184, 9680634), (207, 8605008), (216, 8246466), (243, 7330192), (276, 6453756), (324, 5497644), (368, 4840317), (414, 4302504), (432, 4123233), (486, 3665096), (552, 3226878), (621, 2868336), (648, 2748822), (828, 2151252), (972, 1832548), (1104, 1613439), (1242, 1434168), (1296, 1374411), (1656, 1075626), (1863, 956112), (1944, 916274), (2484, 717084), (3312, 537813), (3726, 478056), (3888, 458137), (4968, 358542), (5589, 318704), (7452, 239028), (9936, 179271), (11178, 159352), (14904, 119514), (19919, 89424), (22356, 79676), (29808, 59757), (39838, 44712)]