172905984

素因数分解:

$2^9\times 3^2\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:420

約数の個数: 120

約数和(自身を含む): 504298080

約数和(自身を除く): 331392096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 157, 192, 239, 256, 288, 314, 384, 471, 478, 512, 576, 628, 717, 768, 942, 956, 1152, 1256, 1413, 1434, 1536, 1884, 1912, 2151, 2304, 2512, 2826, 2868, 3768, 3824, 4302, 4608, 5024, 5652, 5736, 7536, 7648, 8604, 10048, 11304, 11472, 15072, 15296, 17208, 20096, 22608, 22944, 30144, 30592, 34416, 37523, 40192, 45216, 45888, 60288, 61184, 68832, 75046, 80384, 90432, 91776, 112569, 120576, 122368, 137664, 150092, 180864, 183552, 225138, 241152, 275328, 300184, 337707, 361728, 367104, 450276, 550656, 600368, 675414, 723456, 900552, 1101312, 1200736, 1350828, 1801104, 2401472, 2701656, 3602208, 4802944, 5403312, 7204416, 9605888, 10806624, 14408832, 19211776, 21613248, 28817664, 43226496, 57635328, 86452992, 172905984]

約数ペア:

[(1, 172905984), (2, 86452992), (3, 57635328), (4, 43226496), (6, 28817664), (8, 21613248), (9, 19211776), (12, 14408832), (16, 10806624), (18, 9605888), (24, 7204416), (32, 5403312), (36, 4802944), (48, 3602208), (64, 2701656), (72, 2401472), (96, 1801104), (128, 1350828), (144, 1200736), (157, 1101312), (192, 900552), (239, 723456), (256, 675414), (288, 600368), (314, 550656), (384, 450276), (471, 367104), (478, 361728), (512, 337707), (576, 300184), (628, 275328), (717, 241152), (768, 225138), (942, 183552), (956, 180864), (1152, 150092), (1256, 137664), (1413, 122368), (1434, 120576), (1536, 112569), (1884, 91776), (1912, 90432), (2151, 80384), (2304, 75046), (2512, 68832), (2826, 61184), (2868, 60288), (3768, 45888), (3824, 45216), (4302, 40192), (4608, 37523), (5024, 34416), (5652, 30592), (5736, 30144), (7536, 22944), (7648, 22608), (8604, 20096), (10048, 17208), (11304, 15296), (11472, 15072)]