1257714640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5573}}^1$

素因数の和:5637

約数の個数: 160

約数和(自身を含む): 3715762176

約数和(自身を除く): 2458047536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5573, 5642, 6448, 7280, 8060, 8680, 11146, 11284, 14105, 16120, 17360, 22292, 22568, 27865, 28210, 32240, 39011, 44584, 45136, 55730, 56420, 72449, 78022, 89168, 111460, 112840, 144898, 156044, 172763, 195055, 222920, 225680, 289796, 312088, 345526, 362245, 390110, 445840, 507143, 579592, 624176, 691052, 724490, 780220, 863815, 1014286, 1159184, 1209341, 1382104, 1448980, 1560440, 1727630, 2028572, 2245919, 2418682, 2535715, 2764208, 2897960, 3120880, 3455260, 4057144, 4491838, 4837364, 5071430, 5795920, 6046705, 6910520, 8114288, 8983676, 9674728, 10142860, 11229595, 12093410, 13821040, 15721433, 17967352, 19349456, 20285720, 22459190, 24186820, 31442866, 35934704, 40571440, 44918380, 48373640, 62885732, 78607165, 89836760, 96747280, 125771464, 157214330, 179673520, 251542928, 314428660, 628857320, 1257714640]

約数ペア:

[(1, 1257714640), (2, 628857320), (4, 314428660), (5, 251542928), (7, 179673520), (8, 157214330), (10, 125771464), (13, 96747280), (14, 89836760), (16, 78607165), (20, 62885732), (26, 48373640), (28, 44918380), (31, 40571440), (35, 35934704), (40, 31442866), (52, 24186820), (56, 22459190), (62, 20285720), (65, 19349456), (70, 17967352), (80, 15721433), (91, 13821040), (104, 12093410), (112, 11229595), (124, 10142860), (130, 9674728), (140, 8983676), (155, 8114288), (182, 6910520), (208, 6046705), (217, 5795920), (248, 5071430), (260, 4837364), (280, 4491838), (310, 4057144), (364, 3455260), (403, 3120880), (434, 2897960), (455, 2764208), (496, 2535715), (520, 2418682), (560, 2245919), (620, 2028572), (728, 1727630), (806, 1560440), (868, 1448980), (910, 1382104), (1040, 1209341), (1085, 1159184), (1240, 1014286), (1456, 863815), (1612, 780220), (1736, 724490), (1820, 691052), (2015, 624176), (2170, 579592), (2480, 507143), (2821, 445840), (3224, 390110), (3472, 362245), (3640, 345526), (4030, 312088), (4340, 289796), (5573, 225680), (5642, 222920), (6448, 195055), (7280, 172763), (8060, 156044), (8680, 144898), (11146, 112840), (11284, 111460), (14105, 89168), (16120, 78022), (17360, 72449), (22292, 56420), (22568, 55730), (27865, 45136), (28210, 44584), (32240, 39011)]