261437568

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5119}}^1$

素因数の和:5162

約数の個数: 128

約数和(自身を含む): 835584000

約数和(自身を除く): 574146432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 384, 399, 448, 456, 532, 608, 672, 798, 896, 912, 1064, 1216, 1344, 1596, 1824, 2128, 2432, 2688, 3192, 3648, 4256, 5119, 6384, 7296, 8512, 10238, 12768, 15357, 17024, 20476, 25536, 30714, 35833, 40952, 51072, 61428, 71666, 81904, 97261, 107499, 122856, 143332, 163808, 194522, 214998, 245712, 286664, 291783, 327616, 389044, 429996, 491424, 573328, 583566, 655232, 680827, 778088, 859992, 982848, 1146656, 1167132, 1361654, 1556176, 1719984, 1965696, 2042481, 2293312, 2334264, 2723308, 3112352, 3439968, 4084962, 4586624, 4668528, 5446616, 6224704, 6879936, 8169924, 9337056, 10893232, 12449408, 13759872, 16339848, 18674112, 21786464, 32679696, 37348224, 43572928, 65359392, 87145856, 130718784, 261437568]

約数ペア:

[(1, 261437568), (2, 130718784), (3, 87145856), (4, 65359392), (6, 43572928), (7, 37348224), (8, 32679696), (12, 21786464), (14, 18674112), (16, 16339848), (19, 13759872), (21, 12449408), (24, 10893232), (28, 9337056), (32, 8169924), (38, 6879936), (42, 6224704), (48, 5446616), (56, 4668528), (57, 4586624), (64, 4084962), (76, 3439968), (84, 3112352), (96, 2723308), (112, 2334264), (114, 2293312), (128, 2042481), (133, 1965696), (152, 1719984), (168, 1556176), (192, 1361654), (224, 1167132), (228, 1146656), (266, 982848), (304, 859992), (336, 778088), (384, 680827), (399, 655232), (448, 583566), (456, 573328), (532, 491424), (608, 429996), (672, 389044), (798, 327616), (896, 291783), (912, 286664), (1064, 245712), (1216, 214998), (1344, 194522), (1596, 163808), (1824, 143332), (2128, 122856), (2432, 107499), (2688, 97261), (3192, 81904), (3648, 71666), (4256, 61428), (5119, 51072), (6384, 40952), (7296, 35833), (8512, 30714), (10238, 25536), (12768, 20476), (15357, 17024)]