145771520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 88

約数和(自身を含む): 355490208

約数和(自身を除く): 209718688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 401, 512, 568, 640, 710, 802, 1024, 1136, 1280, 1420, 1604, 2005, 2272, 2560, 2840, 3208, 4010, 4544, 5120, 5680, 6416, 8020, 9088, 11360, 12832, 16040, 18176, 22720, 25664, 28471, 32080, 36352, 45440, 51328, 56942, 64160, 72704, 90880, 102656, 113884, 128320, 142355, 181760, 205312, 227768, 256640, 284710, 363520, 410624, 455536, 513280, 569420, 911072, 1026560, 1138840, 1822144, 2053120, 2277680, 3644288, 4555360, 7288576, 9110720, 14577152, 18221440, 29154304, 36442880, 72885760, 145771520]

約数ペア:

[(1, 145771520), (2, 72885760), (4, 36442880), (5, 29154304), (8, 18221440), (10, 14577152), (16, 9110720), (20, 7288576), (32, 4555360), (40, 3644288), (64, 2277680), (71, 2053120), (80, 1822144), (128, 1138840), (142, 1026560), (160, 911072), (256, 569420), (284, 513280), (320, 455536), (355, 410624), (401, 363520), (512, 284710), (568, 256640), (640, 227768), (710, 205312), (802, 181760), (1024, 142355), (1136, 128320), (1280, 113884), (1420, 102656), (1604, 90880), (2005, 72704), (2272, 64160), (2560, 56942), (2840, 51328), (3208, 45440), (4010, 36352), (4544, 32080), (5120, 28471), (5680, 25664), (6416, 22720), (8020, 18176), (9088, 16040), (11360, 12832)]