128828672

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 316901760

約数和(自身を除く): 188073088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 37, 56, 58, 64, 67, 74, 112, 116, 128, 134, 148, 203, 224, 232, 256, 259, 268, 296, 406, 448, 464, 469, 518, 536, 592, 812, 896, 928, 938, 1036, 1072, 1073, 1184, 1624, 1792, 1856, 1876, 1943, 2072, 2144, 2146, 2368, 2479, 3248, 3712, 3752, 3886, 4144, 4288, 4292, 4736, 4958, 6496, 7424, 7504, 7511, 7772, 8288, 8576, 8584, 9472, 9916, 12992, 13601, 15008, 15022, 15544, 16576, 17152, 17168, 17353, 19832, 25984, 27202, 30016, 30044, 31088, 33152, 34336, 34706, 39664, 51968, 54404, 60032, 60088, 62176, 66304, 68672, 69412, 71891, 79328, 108808, 120064, 120176, 124352, 137344, 138824, 143782, 158656, 217616, 240352, 248704, 274688, 277648, 287564, 317312, 435232, 480704, 497408, 503237, 555296, 575128, 634624, 870464, 961408, 1006474, 1110592, 1150256, 1740928, 1922816, 2012948, 2221184, 2300512, 3481856, 4025896, 4442368, 4601024, 8051792, 9202048, 16103584, 18404096, 32207168, 64414336, 128828672]

約数ペア:

[(1, 128828672), (2, 64414336), (4, 32207168), (7, 18404096), (8, 16103584), (14, 9202048), (16, 8051792), (28, 4601024), (29, 4442368), (32, 4025896), (37, 3481856), (56, 2300512), (58, 2221184), (64, 2012948), (67, 1922816), (74, 1740928), (112, 1150256), (116, 1110592), (128, 1006474), (134, 961408), (148, 870464), (203, 634624), (224, 575128), (232, 555296), (256, 503237), (259, 497408), (268, 480704), (296, 435232), (406, 317312), (448, 287564), (464, 277648), (469, 274688), (518, 248704), (536, 240352), (592, 217616), (812, 158656), (896, 143782), (928, 138824), (938, 137344), (1036, 124352), (1072, 120176), (1073, 120064), (1184, 108808), (1624, 79328), (1792, 71891), (1856, 69412), (1876, 68672), (1943, 66304), (2072, 62176), (2144, 60088), (2146, 60032), (2368, 54404), (2479, 51968), (3248, 39664), (3712, 34706), (3752, 34336), (3886, 33152), (4144, 31088), (4288, 30044), (4292, 30016), (4736, 27202), (4958, 25984), (6496, 19832), (7424, 17353), (7504, 17168), (7511, 17152), (7772, 16576), (8288, 15544), (8576, 15022), (8584, 15008), (9472, 13601), (9916, 12992)]