128440512

素因数分解:

$2^6\times 3^3\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:571

約数の個数: 112

約数和(自身を含む): 380390400

約数和(自身を除く): 251949888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 239, 288, 311, 432, 478, 576, 622, 717, 864, 933, 956, 1244, 1434, 1728, 1866, 1912, 2151, 2488, 2799, 2868, 3732, 3824, 4302, 4976, 5598, 5736, 6453, 7464, 7648, 8397, 8604, 9952, 11196, 11472, 12906, 14928, 15296, 16794, 17208, 19904, 22392, 22944, 25812, 29856, 33588, 34416, 44784, 45888, 51624, 59712, 67176, 68832, 74329, 89568, 103248, 134352, 137664, 148658, 179136, 206496, 222987, 268704, 297316, 412992, 445974, 537408, 594632, 668961, 891948, 1189264, 1337922, 1783896, 2006883, 2378528, 2675844, 3567792, 4013766, 4757056, 5351688, 7135584, 8027532, 10703376, 14271168, 16055064, 21406752, 32110128, 42813504, 64220256, 128440512]

約数ペア:

[(1, 128440512), (2, 64220256), (3, 42813504), (4, 32110128), (6, 21406752), (8, 16055064), (9, 14271168), (12, 10703376), (16, 8027532), (18, 7135584), (24, 5351688), (27, 4757056), (32, 4013766), (36, 3567792), (48, 2675844), (54, 2378528), (64, 2006883), (72, 1783896), (96, 1337922), (108, 1189264), (144, 891948), (192, 668961), (216, 594632), (239, 537408), (288, 445974), (311, 412992), (432, 297316), (478, 268704), (576, 222987), (622, 206496), (717, 179136), (864, 148658), (933, 137664), (956, 134352), (1244, 103248), (1434, 89568), (1728, 74329), (1866, 68832), (1912, 67176), (2151, 59712), (2488, 51624), (2799, 45888), (2868, 44784), (3732, 34416), (3824, 33588), (4302, 29856), (4976, 25812), (5598, 22944), (5736, 22392), (6453, 19904), (7464, 17208), (7648, 16794), (8397, 15296), (8604, 14928), (9952, 12906), (11196, 11472)]