78149920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 194660928

約数和(自身を除く): 116511008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 74, 80, 86, 148, 160, 172, 185, 215, 296, 307, 344, 370, 430, 592, 614, 688, 740, 860, 1184, 1228, 1376, 1480, 1535, 1591, 1720, 2456, 2960, 3070, 3182, 3440, 4912, 5920, 6140, 6364, 6880, 7955, 9824, 11359, 12280, 12728, 13201, 15910, 22718, 24560, 25456, 26402, 31820, 45436, 49120, 50912, 52804, 56795, 63640, 66005, 90872, 105608, 113590, 127280, 132010, 181744, 211216, 227180, 254560, 264020, 363488, 422432, 454360, 488437, 528040, 908720, 976874, 1056080, 1817440, 1953748, 2112160, 2442185, 3907496, 4884370, 7814992, 9768740, 15629984, 19537480, 39074960, 78149920]

約数ペア:

[(1, 78149920), (2, 39074960), (4, 19537480), (5, 15629984), (8, 9768740), (10, 7814992), (16, 4884370), (20, 3907496), (32, 2442185), (37, 2112160), (40, 1953748), (43, 1817440), (74, 1056080), (80, 976874), (86, 908720), (148, 528040), (160, 488437), (172, 454360), (185, 422432), (215, 363488), (296, 264020), (307, 254560), (344, 227180), (370, 211216), (430, 181744), (592, 132010), (614, 127280), (688, 113590), (740, 105608), (860, 90872), (1184, 66005), (1228, 63640), (1376, 56795), (1480, 52804), (1535, 50912), (1591, 49120), (1720, 45436), (2456, 31820), (2960, 26402), (3070, 25456), (3182, 24560), (3440, 22718), (4912, 15910), (5920, 13201), (6140, 12728), (6364, 12280), (6880, 11359), (7955, 9824)]