2728460080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1091}}^1$

素因数の和:1874

約数の個数: 80

約数和(自身を含む): 6506083584

約数和(自身を除く): 3777623504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 727, 860, 1091, 1454, 1720, 2182, 2908, 3440, 3635, 4364, 5455, 5816, 7270, 8728, 10910, 11632, 14540, 17456, 21820, 29080, 31261, 43640, 46913, 58160, 62522, 87280, 93826, 125044, 156305, 187652, 234565, 250088, 312610, 375304, 469130, 500176, 625220, 750608, 793157, 938260, 1250440, 1586314, 1876520, 2500880, 3172628, 3753040, 3965785, 6345256, 7931570, 12690512, 15863140, 31726280, 34105751, 63452560, 68211502, 136423004, 170528755, 272846008, 341057510, 545692016, 682115020, 1364230040, 2728460080]

約数ペア:

[(1, 2728460080), (2, 1364230040), (4, 682115020), (5, 545692016), (8, 341057510), (10, 272846008), (16, 170528755), (20, 136423004), (40, 68211502), (43, 63452560), (80, 34105751), (86, 31726280), (172, 15863140), (215, 12690512), (344, 7931570), (430, 6345256), (688, 3965785), (727, 3753040), (860, 3172628), (1091, 2500880), (1454, 1876520), (1720, 1586314), (2182, 1250440), (2908, 938260), (3440, 793157), (3635, 750608), (4364, 625220), (5455, 500176), (5816, 469130), (7270, 375304), (8728, 312610), (10910, 250088), (11632, 234565), (14540, 187652), (17456, 156305), (21820, 125044), (29080, 93826), (31261, 87280), (43640, 62522), (46913, 58160)]