15820407320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:793

約数の個数: 128

約数和(自身を含む): 37255680000

約数和(自身を除く): 21435272680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 263, 278, 310, 349, 526, 556, 620, 695, 698, 1052, 1112, 1240, 1315, 1390, 1396, 1745, 2104, 2630, 2780, 2792, 3490, 4309, 5260, 5560, 6980, 8153, 8618, 10520, 10819, 13960, 16306, 17236, 21545, 21638, 32612, 34472, 36557, 40765, 43090, 43276, 48511, 54095, 65224, 73114, 81530, 86180, 86552, 91787, 97022, 108190, 146228, 163060, 172360, 182785, 183574, 194044, 216380, 242555, 292456, 326120, 365570, 367148, 388088, 432760, 458935, 485110, 731140, 734296, 917870, 970220, 1133267, 1462280, 1503841, 1835740, 1940440, 2266534, 2845397, 3007682, 3671480, 4533068, 5666335, 5690794, 6015364, 7519205, 9066136, 11332670, 11381588, 12030728, 12758393, 14226985, 15038410, 22665340, 22763176, 25516786, 28453970, 30076820, 45330680, 51033572, 56907940, 60153640, 63791965, 102067144, 113815880, 127583930, 255167860, 395510183, 510335720, 791020366, 1582040732, 1977550915, 3164081464, 3955101830, 7910203660, 15820407320]

約数ペア:

[(1, 15820407320), (2, 7910203660), (4, 3955101830), (5, 3164081464), (8, 1977550915), (10, 1582040732), (20, 791020366), (31, 510335720), (40, 395510183), (62, 255167860), (124, 127583930), (139, 113815880), (155, 102067144), (248, 63791965), (263, 60153640), (278, 56907940), (310, 51033572), (349, 45330680), (526, 30076820), (556, 28453970), (620, 25516786), (695, 22763176), (698, 22665340), (1052, 15038410), (1112, 14226985), (1240, 12758393), (1315, 12030728), (1390, 11381588), (1396, 11332670), (1745, 9066136), (2104, 7519205), (2630, 6015364), (2780, 5690794), (2792, 5666335), (3490, 4533068), (4309, 3671480), (5260, 3007682), (5560, 2845397), (6980, 2266534), (8153, 1940440), (8618, 1835740), (10520, 1503841), (10819, 1462280), (13960, 1133267), (16306, 970220), (17236, 917870), (21545, 734296), (21638, 731140), (32612, 485110), (34472, 458935), (36557, 432760), (40765, 388088), (43090, 367148), (43276, 365570), (48511, 326120), (54095, 292456), (65224, 242555), (73114, 216380), (81530, 194044), (86180, 183574), (86552, 182785), (91787, 172360), (97022, 163060), (108190, 146228)]