7485778840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1689

約数の個数: 128

約数和(自身を含む): 18269856000

約数和(自身を除く): 10784077160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 157, 172, 190, 215, 314, 344, 380, 430, 628, 760, 785, 817, 860, 1256, 1459, 1570, 1634, 1720, 2918, 2983, 3140, 3268, 4085, 5836, 5966, 6280, 6536, 6751, 7295, 8170, 11672, 11932, 13502, 14590, 14915, 16340, 23864, 27004, 27721, 29180, 29830, 32680, 33755, 54008, 55442, 58360, 59660, 62737, 67510, 110884, 119320, 125474, 128269, 135020, 138605, 221768, 229063, 250948, 256538, 270040, 277210, 313685, 458126, 501896, 513076, 554420, 627370, 641345, 916252, 1026152, 1108840, 1145315, 1192003, 1254740, 1282690, 1832504, 2290630, 2384006, 2509480, 2565380, 4352197, 4581260, 4768012, 5130760, 5960015, 8704394, 9162520, 9536024, 9849709, 11920030, 17408788, 19699418, 21760985, 23840060, 34817576, 39398836, 43521970, 47680120, 49248545, 78797672, 87043940, 98497090, 174087880, 187144471, 196994180, 374288942, 393988360, 748577884, 935722355, 1497155768, 1871444710, 3742889420, 7485778840]

約数ペア:

[(1, 7485778840), (2, 3742889420), (4, 1871444710), (5, 1497155768), (8, 935722355), (10, 748577884), (19, 393988360), (20, 374288942), (38, 196994180), (40, 187144471), (43, 174087880), (76, 98497090), (86, 87043940), (95, 78797672), (152, 49248545), (157, 47680120), (172, 43521970), (190, 39398836), (215, 34817576), (314, 23840060), (344, 21760985), (380, 19699418), (430, 17408788), (628, 11920030), (760, 9849709), (785, 9536024), (817, 9162520), (860, 8704394), (1256, 5960015), (1459, 5130760), (1570, 4768012), (1634, 4581260), (1720, 4352197), (2918, 2565380), (2983, 2509480), (3140, 2384006), (3268, 2290630), (4085, 1832504), (5836, 1282690), (5966, 1254740), (6280, 1192003), (6536, 1145315), (6751, 1108840), (7295, 1026152), (8170, 916252), (11672, 641345), (11932, 627370), (13502, 554420), (14590, 513076), (14915, 501896), (16340, 458126), (23864, 313685), (27004, 277210), (27721, 270040), (29180, 256538), (29830, 250948), (32680, 229063), (33755, 221768), (54008, 138605), (55442, 135020), (58360, 128269), (59660, 125474), (62737, 119320), (67510, 110884)]