256251648

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 724066560

約数和(自身を除く): 467814912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 89, 92, 96, 128, 138, 163, 178, 184, 192, 256, 267, 276, 326, 356, 368, 384, 489, 534, 552, 652, 712, 736, 768, 978, 1068, 1104, 1304, 1424, 1472, 1956, 2047, 2136, 2208, 2608, 2848, 2944, 3749, 3912, 4094, 4272, 4416, 5216, 5696, 5888, 6141, 7498, 7824, 8188, 8544, 8832, 10432, 11247, 11392, 12282, 14507, 14996, 15648, 16376, 17088, 17664, 20864, 22494, 22784, 24564, 29014, 29992, 31296, 32752, 34176, 41728, 43521, 44988, 49128, 58028, 59984, 62592, 65504, 68352, 87042, 89976, 98256, 116056, 119968, 125184, 131008, 174084, 179952, 196512, 232112, 239936, 262016, 333661, 348168, 359904, 393024, 464224, 479872, 524032, 667322, 696336, 719808, 786048, 928448, 959744, 1000983, 1334644, 1392672, 1439616, 1572096, 1856896, 2001966, 2669288, 2785344, 2879232, 3713792, 4003932, 5338576, 5570688, 8007864, 10677152, 11141376, 16015728, 21354304, 32031456, 42708608, 64062912, 85417216, 128125824, 256251648]

約数ペア:

[(1, 256251648), (2, 128125824), (3, 85417216), (4, 64062912), (6, 42708608), (8, 32031456), (12, 21354304), (16, 16015728), (23, 11141376), (24, 10677152), (32, 8007864), (46, 5570688), (48, 5338576), (64, 4003932), (69, 3713792), (89, 2879232), (92, 2785344), (96, 2669288), (128, 2001966), (138, 1856896), (163, 1572096), (178, 1439616), (184, 1392672), (192, 1334644), (256, 1000983), (267, 959744), (276, 928448), (326, 786048), (356, 719808), (368, 696336), (384, 667322), (489, 524032), (534, 479872), (552, 464224), (652, 393024), (712, 359904), (736, 348168), (768, 333661), (978, 262016), (1068, 239936), (1104, 232112), (1304, 196512), (1424, 179952), (1472, 174084), (1956, 131008), (2047, 125184), (2136, 119968), (2208, 116056), (2608, 98256), (2848, 89976), (2944, 87042), (3749, 68352), (3912, 65504), (4094, 62592), (4272, 59984), (4416, 58028), (5216, 49128), (5696, 44988), (5888, 43521), (6141, 41728), (7498, 34176), (7824, 32752), (8188, 31296), (8544, 29992), (8832, 29014), (10432, 24564), (11247, 22784), (11392, 22494), (12282, 20864), (14507, 17664), (14996, 17088), (15648, 16376)]