1390897280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1214

約数の個数: 128

約数和(自身を含む): 3536136000

約数和(自身を除く): 2145238720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 107, 128, 152, 160, 190, 214, 304, 320, 380, 428, 535, 608, 640, 760, 856, 1069, 1070, 1216, 1520, 1712, 2033, 2138, 2140, 2432, 3040, 3424, 4066, 4276, 4280, 5345, 6080, 6848, 8132, 8552, 8560, 10165, 10690, 12160, 13696, 16264, 17104, 17120, 20311, 20330, 21380, 32528, 34208, 34240, 40622, 40660, 42760, 65056, 68416, 68480, 81244, 81320, 85520, 101555, 114383, 130112, 136832, 162488, 162640, 171040, 203110, 228766, 260224, 324976, 325280, 342080, 406220, 457532, 571915, 649952, 650560, 684160, 812440, 915064, 1143830, 1299904, 1301120, 1624880, 1830128, 2173277, 2287660, 2599808, 3249760, 3660256, 4346554, 4575320, 6499520, 7320512, 8693108, 9150640, 10866385, 12999040, 14641024, 17386216, 18301280, 21732770, 34772432, 36602560, 43465540, 69544864, 73205120, 86931080, 139089728, 173862160, 278179456, 347724320, 695448640, 1390897280]

約数ペア:

[(1, 1390897280), (2, 695448640), (4, 347724320), (5, 278179456), (8, 173862160), (10, 139089728), (16, 86931080), (19, 73205120), (20, 69544864), (32, 43465540), (38, 36602560), (40, 34772432), (64, 21732770), (76, 18301280), (80, 17386216), (95, 14641024), (107, 12999040), (128, 10866385), (152, 9150640), (160, 8693108), (190, 7320512), (214, 6499520), (304, 4575320), (320, 4346554), (380, 3660256), (428, 3249760), (535, 2599808), (608, 2287660), (640, 2173277), (760, 1830128), (856, 1624880), (1069, 1301120), (1070, 1299904), (1216, 1143830), (1520, 915064), (1712, 812440), (2033, 684160), (2138, 650560), (2140, 649952), (2432, 571915), (3040, 457532), (3424, 406220), (4066, 342080), (4276, 325280), (4280, 324976), (5345, 260224), (6080, 228766), (6848, 203110), (8132, 171040), (8552, 162640), (8560, 162488), (10165, 136832), (10690, 130112), (12160, 114383), (13696, 101555), (16264, 85520), (17104, 81320), (17120, 81244), (20311, 68480), (20330, 68416), (21380, 65056), (32528, 42760), (34208, 40660), (34240, 40622)]