1281771008

素因数分解:

$2^9\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2740

約数の個数: 120

約数和(自身を含む): 3137131800

約数和(自身を除く): 1855360792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 304, 392, 448, 512, 532, 608, 784, 896, 931, 1064, 1216, 1568, 1792, 1862, 2128, 2432, 2689, 3136, 3584, 3724, 4256, 4864, 5378, 6272, 7448, 8512, 9728, 10756, 12544, 14896, 17024, 18823, 21512, 25088, 29792, 34048, 37646, 43024, 51091, 59584, 68096, 75292, 86048, 102182, 119168, 131761, 150584, 172096, 204364, 238336, 263522, 301168, 344192, 357637, 408728, 476672, 527044, 602336, 688384, 715274, 817456, 1054088, 1204672, 1376768, 1430548, 1634912, 2108176, 2409344, 2503459, 2861096, 3269824, 4216352, 4818688, 5006918, 5722192, 6539648, 8432704, 9637376, 10013836, 11444384, 13079296, 16865408, 20027672, 22888768, 26158592, 33730816, 40055344, 45777536, 67461632, 80110688, 91555072, 160221376, 183110144, 320442752, 640885504, 1281771008]

約数ペア:

[(1, 1281771008), (2, 640885504), (4, 320442752), (7, 183110144), (8, 160221376), (14, 91555072), (16, 80110688), (19, 67461632), (28, 45777536), (32, 40055344), (38, 33730816), (49, 26158592), (56, 22888768), (64, 20027672), (76, 16865408), (98, 13079296), (112, 11444384), (128, 10013836), (133, 9637376), (152, 8432704), (196, 6539648), (224, 5722192), (256, 5006918), (266, 4818688), (304, 4216352), (392, 3269824), (448, 2861096), (512, 2503459), (532, 2409344), (608, 2108176), (784, 1634912), (896, 1430548), (931, 1376768), (1064, 1204672), (1216, 1054088), (1568, 817456), (1792, 715274), (1862, 688384), (2128, 602336), (2432, 527044), (2689, 476672), (3136, 408728), (3584, 357637), (3724, 344192), (4256, 301168), (4864, 263522), (5378, 238336), (6272, 204364), (7448, 172096), (8512, 150584), (9728, 131761), (10756, 119168), (12544, 102182), (14896, 86048), (17024, 75292), (18823, 68096), (21512, 59584), (25088, 51091), (29792, 43024), (34048, 37646)]