128845920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 192

約数和(自身を含む): 479195136

約数和(自身を除く): 350349216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1237, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2474, 2480, 2604, 2976, 3255, 3360, 3472, 3711, 3720, 4340, 4948, 4960, 5208, 6185, 6510, 6944, 7422, 7440, 8659, 8680, 9896, 10416, 12370, 13020, 14844, 14880, 17318, 17360, 18555, 19792, 20832, 24740, 25977, 26040, 29688, 34636, 34720, 37110, 38347, 39584, 43295, 49480, 51954, 52080, 59376, 69272, 74220, 76694, 86590, 98960, 103908, 104160, 115041, 118752, 129885, 138544, 148440, 153388, 173180, 191735, 197920, 207816, 230082, 259770, 268429, 277088, 296880, 306776, 346360, 383470, 415632, 460164, 519540, 536858, 575205, 593760, 613552, 692720, 766940, 805287, 831264, 920328, 1039080, 1073716, 1150410, 1227104, 1342145, 1385440, 1533880, 1610574, 1840656, 2078160, 2147432, 2300820, 2684290, 3067760, 3221148, 3681312, 4026435, 4156320, 4294864, 4601640, 5368580, 6135520, 6442296, 8052870, 8589728, 9203280, 10737160, 12884592, 16105740, 18406560, 21474320, 25769184, 32211480, 42948640, 64422960, 128845920]

約数ペア:

[(1, 128845920), (2, 64422960), (3, 42948640), (4, 32211480), (5, 25769184), (6, 21474320), (7, 18406560), (8, 16105740), (10, 12884592), (12, 10737160), (14, 9203280), (15, 8589728), (16, 8052870), (20, 6442296), (21, 6135520), (24, 5368580), (28, 4601640), (30, 4294864), (31, 4156320), (32, 4026435), (35, 3681312), (40, 3221148), (42, 3067760), (48, 2684290), (56, 2300820), (60, 2147432), (62, 2078160), (70, 1840656), (80, 1610574), (84, 1533880), (93, 1385440), (96, 1342145), (105, 1227104), (112, 1150410), (120, 1073716), (124, 1039080), (140, 920328), (155, 831264), (160, 805287), (168, 766940), (186, 692720), (210, 613552), (217, 593760), (224, 575205), (240, 536858), (248, 519540), (280, 460164), (310, 415632), (336, 383470), (372, 346360), (420, 306776), (434, 296880), (465, 277088), (480, 268429), (496, 259770), (560, 230082), (620, 207816), (651, 197920), (672, 191735), (744, 173180), (840, 153388), (868, 148440), (930, 138544), (992, 129885), (1085, 118752), (1120, 115041), (1237, 104160), (1240, 103908), (1302, 98960), (1488, 86590), (1680, 76694), (1736, 74220), (1860, 69272), (2170, 59376), (2474, 52080), (2480, 51954), (2604, 49480), (2976, 43295), (3255, 39584), (3360, 38347), (3472, 37110), (3711, 34720), (3720, 34636), (4340, 29688), (4948, 26040), (4960, 25977), (5208, 24740), (6185, 20832), (6510, 19792), (6944, 18555), (7422, 17360), (7440, 17318), (8659, 14880), (8680, 14844), (9896, 13020), (10416, 12370)]