128331648

素因数分解:

$2^7\times 3^3\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 384825600

約数和(自身を除く): 256493952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 96, 108, 128, 142, 144, 192, 213, 216, 284, 288, 384, 426, 432, 523, 568, 576, 639, 852, 864, 1046, 1136, 1152, 1278, 1569, 1704, 1728, 1917, 2092, 2272, 2556, 3138, 3408, 3456, 3834, 4184, 4544, 4707, 5112, 6276, 6816, 7668, 8368, 9088, 9414, 10224, 12552, 13632, 14121, 15336, 16736, 18828, 20448, 25104, 27264, 28242, 30672, 33472, 37133, 37656, 40896, 50208, 56484, 61344, 66944, 74266, 75312, 81792, 100416, 111399, 112968, 122688, 148532, 150624, 200832, 222798, 225936, 245376, 297064, 301248, 334197, 445596, 451872, 594128, 602496, 668394, 891192, 903744, 1002591, 1188256, 1336788, 1782384, 1807488, 2005182, 2376512, 2673576, 3564768, 4010364, 4753024, 5347152, 7129536, 8020728, 10694304, 14259072, 16041456, 21388608, 32082912, 42777216, 64165824, 128331648]

約数ペア:

[(1, 128331648), (2, 64165824), (3, 42777216), (4, 32082912), (6, 21388608), (8, 16041456), (9, 14259072), (12, 10694304), (16, 8020728), (18, 7129536), (24, 5347152), (27, 4753024), (32, 4010364), (36, 3564768), (48, 2673576), (54, 2376512), (64, 2005182), (71, 1807488), (72, 1782384), (96, 1336788), (108, 1188256), (128, 1002591), (142, 903744), (144, 891192), (192, 668394), (213, 602496), (216, 594128), (284, 451872), (288, 445596), (384, 334197), (426, 301248), (432, 297064), (523, 245376), (568, 225936), (576, 222798), (639, 200832), (852, 150624), (864, 148532), (1046, 122688), (1136, 112968), (1152, 111399), (1278, 100416), (1569, 81792), (1704, 75312), (1728, 74266), (1917, 66944), (2092, 61344), (2272, 56484), (2556, 50208), (3138, 40896), (3408, 37656), (3456, 37133), (3834, 33472), (4184, 30672), (4544, 28242), (4707, 27264), (5112, 25104), (6276, 20448), (6816, 18828), (7668, 16736), (8368, 15336), (9088, 14121), (9414, 13632), (10224, 12552)]