256127616

素因数分解:

$2^7\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2063

約数の個数: 128

約数和(自身を含む): 776750400

約数和(自身を除く): 520622784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 288, 296, 333, 384, 432, 444, 576, 592, 666, 864, 888, 999, 1152, 1184, 1332, 1728, 1776, 1998, 2003, 2368, 2664, 3456, 3552, 3996, 4006, 4736, 5328, 6009, 7104, 7992, 8012, 10656, 12018, 14208, 15984, 16024, 18027, 21312, 24036, 31968, 32048, 36054, 42624, 48072, 54081, 63936, 64096, 72108, 74111, 96144, 108162, 127872, 128192, 144216, 148222, 192288, 216324, 222333, 256384, 288432, 296444, 384576, 432648, 444666, 576864, 592888, 666999, 769152, 865296, 889332, 1153728, 1185776, 1333998, 1730592, 1778664, 2000997, 2307456, 2371552, 2667996, 3461184, 3557328, 4001994, 4743104, 5335992, 6922368, 7114656, 8003988, 9486208, 10671984, 14229312, 16007976, 21343968, 28458624, 32015952, 42687936, 64031904, 85375872, 128063808, 256127616]

約数ペア:

[(1, 256127616), (2, 128063808), (3, 85375872), (4, 64031904), (6, 42687936), (8, 32015952), (9, 28458624), (12, 21343968), (16, 16007976), (18, 14229312), (24, 10671984), (27, 9486208), (32, 8003988), (36, 7114656), (37, 6922368), (48, 5335992), (54, 4743104), (64, 4001994), (72, 3557328), (74, 3461184), (96, 2667996), (108, 2371552), (111, 2307456), (128, 2000997), (144, 1778664), (148, 1730592), (192, 1333998), (216, 1185776), (222, 1153728), (288, 889332), (296, 865296), (333, 769152), (384, 666999), (432, 592888), (444, 576864), (576, 444666), (592, 432648), (666, 384576), (864, 296444), (888, 288432), (999, 256384), (1152, 222333), (1184, 216324), (1332, 192288), (1728, 148222), (1776, 144216), (1998, 128192), (2003, 127872), (2368, 108162), (2664, 96144), (3456, 74111), (3552, 72108), (3996, 64096), (4006, 63936), (4736, 54081), (5328, 48072), (6009, 42624), (7104, 36054), (7992, 32048), (8012, 31968), (10656, 24036), (12018, 21312), (14208, 18027), (15984, 16024)]