641737728

素因数分解:

$2^{10}\times 3^5\times {\mathrm{2579}}^1$

素因数の和:2614

約数の個数: 132

約数和(自身を含む): 1922378640

約数和(自身を除く): 1280640912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 648, 768, 864, 972, 1024, 1152, 1296, 1536, 1728, 1944, 2304, 2579, 2592, 3072, 3456, 3888, 4608, 5158, 5184, 6912, 7737, 7776, 9216, 10316, 10368, 13824, 15474, 15552, 20632, 20736, 23211, 27648, 30948, 31104, 41264, 41472, 46422, 61896, 62208, 69633, 82528, 82944, 92844, 123792, 124416, 139266, 165056, 185688, 208899, 247584, 248832, 278532, 330112, 371376, 417798, 495168, 557064, 626697, 660224, 742752, 835596, 990336, 1114128, 1253394, 1320448, 1485504, 1671192, 1980672, 2228256, 2506788, 2640896, 2971008, 3342384, 3961344, 4456512, 5013576, 5942016, 6684768, 7922688, 8913024, 10027152, 11884032, 13369536, 17826048, 20054304, 23768064, 26739072, 35652096, 40108608, 53478144, 71304192, 80217216, 106956288, 160434432, 213912576, 320868864, 641737728]

約数ペア:

[(1, 641737728), (2, 320868864), (3, 213912576), (4, 160434432), (6, 106956288), (8, 80217216), (9, 71304192), (12, 53478144), (16, 40108608), (18, 35652096), (24, 26739072), (27, 23768064), (32, 20054304), (36, 17826048), (48, 13369536), (54, 11884032), (64, 10027152), (72, 8913024), (81, 7922688), (96, 6684768), (108, 5942016), (128, 5013576), (144, 4456512), (162, 3961344), (192, 3342384), (216, 2971008), (243, 2640896), (256, 2506788), (288, 2228256), (324, 1980672), (384, 1671192), (432, 1485504), (486, 1320448), (512, 1253394), (576, 1114128), (648, 990336), (768, 835596), (864, 742752), (972, 660224), (1024, 626697), (1152, 557064), (1296, 495168), (1536, 417798), (1728, 371376), (1944, 330112), (2304, 278532), (2579, 248832), (2592, 247584), (3072, 208899), (3456, 185688), (3888, 165056), (4608, 139266), (5158, 124416), (5184, 123792), (6912, 92844), (7737, 82944), (7776, 82528), (9216, 69633), (10316, 62208), (10368, 61896), (13824, 46422), (15474, 41472), (15552, 41264), (20632, 31104), (20736, 30948), (23211, 27648)]