261931008

素因数分解:

$2^{14}\times 3^1\times {\mathrm{73}}^2$

素因数の和:177

約数の個数: 90

約数和(自身を含む): 708160404

約数和(自身を除く): 446229396

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 256, 292, 384, 438, 512, 584, 768, 876, 1024, 1168, 1536, 1752, 2048, 2336, 3072, 3504, 4096, 4672, 5329, 6144, 7008, 8192, 9344, 10658, 12288, 14016, 15987, 16384, 18688, 21316, 24576, 28032, 31974, 37376, 42632, 49152, 56064, 63948, 74752, 85264, 112128, 127896, 149504, 170528, 224256, 255792, 299008, 341056, 448512, 511584, 598016, 682112, 897024, 1023168, 1196032, 1364224, 1794048, 2046336, 2728448, 3588096, 4092672, 5456896, 8185344, 10913792, 16370688, 21827584, 32741376, 43655168, 65482752, 87310336, 130965504, 261931008]

約数ペア:

[(1, 261931008), (2, 130965504), (3, 87310336), (4, 65482752), (6, 43655168), (8, 32741376), (12, 21827584), (16, 16370688), (24, 10913792), (32, 8185344), (48, 5456896), (64, 4092672), (73, 3588096), (96, 2728448), (128, 2046336), (146, 1794048), (192, 1364224), (219, 1196032), (256, 1023168), (292, 897024), (384, 682112), (438, 598016), (512, 511584), (584, 448512), (768, 341056), (876, 299008), (1024, 255792), (1168, 224256), (1536, 170528), (1752, 149504), (2048, 127896), (2336, 112128), (3072, 85264), (3504, 74752), (4096, 63948), (4672, 56064), (5329, 49152), (6144, 42632), (7008, 37376), (8192, 31974), (9344, 28032), (10658, 24576), (12288, 21316), (14016, 18688), (15987, 16384)]