220640256

素因数分解:

$2^{10}\times 3^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 132

約数和(自身を含む): 646647300

約数和(自身を除く): 426007044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 144, 178, 192, 256, 267, 269, 288, 356, 384, 512, 534, 538, 576, 712, 768, 801, 807, 1024, 1068, 1076, 1152, 1424, 1536, 1602, 1614, 2136, 2152, 2304, 2421, 2848, 3072, 3204, 3228, 4272, 4304, 4608, 4842, 5696, 6408, 6456, 8544, 8608, 9216, 9684, 11392, 12816, 12912, 17088, 17216, 19368, 22784, 23941, 25632, 25824, 34176, 34432, 38736, 45568, 47882, 51264, 51648, 68352, 68864, 71823, 77472, 91136, 95764, 102528, 103296, 136704, 137728, 143646, 154944, 191528, 205056, 206592, 215469, 273408, 275456, 287292, 309888, 383056, 410112, 413184, 430938, 574584, 619776, 766112, 820224, 826368, 861876, 1149168, 1239552, 1532224, 1723752, 2298336, 2479104, 3064448, 3447504, 4596672, 6128896, 6895008, 9193344, 12257792, 13790016, 18386688, 24515584, 27580032, 36773376, 55160064, 73546752, 110320128, 220640256]

約数ペア:

[(1, 220640256), (2, 110320128), (3, 73546752), (4, 55160064), (6, 36773376), (8, 27580032), (9, 24515584), (12, 18386688), (16, 13790016), (18, 12257792), (24, 9193344), (32, 6895008), (36, 6128896), (48, 4596672), (64, 3447504), (72, 3064448), (89, 2479104), (96, 2298336), (128, 1723752), (144, 1532224), (178, 1239552), (192, 1149168), (256, 861876), (267, 826368), (269, 820224), (288, 766112), (356, 619776), (384, 574584), (512, 430938), (534, 413184), (538, 410112), (576, 383056), (712, 309888), (768, 287292), (801, 275456), (807, 273408), (1024, 215469), (1068, 206592), (1076, 205056), (1152, 191528), (1424, 154944), (1536, 143646), (1602, 137728), (1614, 136704), (2136, 103296), (2152, 102528), (2304, 95764), (2421, 91136), (2848, 77472), (3072, 71823), (3204, 68864), (3228, 68352), (4272, 51648), (4304, 51264), (4608, 47882), (4842, 45568), (5696, 38736), (6408, 34432), (6456, 34176), (8544, 25824), (8608, 25632), (9216, 23941), (9684, 22784), (11392, 19368), (12816, 17216), (12912, 17088)]