256530176

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 620754624

約数和(自身を除く): 364224448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 53, 56, 64, 73, 74, 106, 112, 128, 146, 148, 212, 224, 256, 259, 292, 296, 371, 424, 448, 511, 518, 584, 592, 742, 848, 896, 1022, 1036, 1168, 1184, 1484, 1696, 1792, 1961, 2044, 2072, 2336, 2368, 2701, 2968, 3392, 3869, 3922, 4088, 4144, 4672, 4736, 5402, 5936, 6784, 7738, 7844, 8176, 8288, 9344, 9472, 10804, 11872, 13568, 13727, 15476, 15688, 16352, 16576, 18688, 18907, 21608, 23744, 27083, 27454, 30952, 31376, 32704, 33152, 37814, 43216, 47488, 54166, 54908, 61904, 62752, 65408, 66304, 75628, 86432, 94976, 108332, 109816, 123808, 125504, 130816, 143153, 151256, 172864, 216664, 219632, 247616, 251008, 286306, 302512, 345728, 433328, 439264, 495232, 502016, 572612, 605024, 691456, 866656, 878528, 990464, 1002071, 1145224, 1210048, 1733312, 1757056, 2004142, 2290448, 2420096, 3466624, 3514112, 4008284, 4580896, 4840192, 6933248, 8016568, 9161792, 16033136, 18323584, 32066272, 36647168, 64132544, 128265088, 256530176]

約数ペア:

[(1, 256530176), (2, 128265088), (4, 64132544), (7, 36647168), (8, 32066272), (14, 18323584), (16, 16033136), (28, 9161792), (32, 8016568), (37, 6933248), (53, 4840192), (56, 4580896), (64, 4008284), (73, 3514112), (74, 3466624), (106, 2420096), (112, 2290448), (128, 2004142), (146, 1757056), (148, 1733312), (212, 1210048), (224, 1145224), (256, 1002071), (259, 990464), (292, 878528), (296, 866656), (371, 691456), (424, 605024), (448, 572612), (511, 502016), (518, 495232), (584, 439264), (592, 433328), (742, 345728), (848, 302512), (896, 286306), (1022, 251008), (1036, 247616), (1168, 219632), (1184, 216664), (1484, 172864), (1696, 151256), (1792, 143153), (1961, 130816), (2044, 125504), (2072, 123808), (2336, 109816), (2368, 108332), (2701, 94976), (2968, 86432), (3392, 75628), (3869, 66304), (3922, 65408), (4088, 62752), (4144, 61904), (4672, 54908), (4736, 54166), (5402, 47488), (5936, 43216), (6784, 37814), (7738, 33152), (7844, 32704), (8176, 31376), (8288, 30952), (9344, 27454), (9472, 27083), (10804, 23744), (11872, 21608), (13568, 18907), (13727, 18688), (15476, 16576), (15688, 16352)]