256218552

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{5569}}^1$

素因数の和:5658

約数の個数: 80

約数和(自身を含む): 727887600

約数和(自身を除く): 471669048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5569, 5751, 7668, 11138, 11502, 15336, 16707, 22276, 23004, 33414, 44552, 46008, 50121, 66828, 100242, 133656, 150363, 200484, 300726, 395399, 400968, 451089, 601452, 790798, 902178, 1186197, 1202904, 1581596, 1804356, 2372394, 3163192, 3558591, 3608712, 4744788, 7117182, 9489576, 10675773, 14234364, 21351546, 28468728, 32027319, 42703092, 64054638, 85406184, 128109276, 256218552]

約数ペア:

[(1, 256218552), (2, 128109276), (3, 85406184), (4, 64054638), (6, 42703092), (8, 32027319), (9, 28468728), (12, 21351546), (18, 14234364), (24, 10675773), (27, 9489576), (36, 7117182), (54, 4744788), (71, 3608712), (72, 3558591), (81, 3163192), (108, 2372394), (142, 1804356), (162, 1581596), (213, 1202904), (216, 1186197), (284, 902178), (324, 790798), (426, 601452), (568, 451089), (639, 400968), (648, 395399), (852, 300726), (1278, 200484), (1704, 150363), (1917, 133656), (2556, 100242), (3834, 66828), (5112, 50121), (5569, 46008), (5751, 44552), (7668, 33414), (11138, 23004), (11502, 22276), (15336, 16707)]