12990379920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{19477}}^1$

素因数の和:19897

約数の個数: 160

約数和(自身を含む): 46141356288

約数和(自身を除く): 33150976368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 397, 420, 560, 794, 840, 1191, 1588, 1680, 1985, 2382, 2779, 3176, 3970, 4764, 5558, 5955, 6352, 7940, 8337, 9528, 11116, 11910, 13895, 15880, 16674, 19056, 19477, 22232, 23820, 27790, 31760, 33348, 38954, 41685, 44464, 47640, 55580, 58431, 66696, 77908, 83370, 95280, 97385, 111160, 116862, 133392, 136339, 155816, 166740, 194770, 222320, 233724, 272678, 292155, 311632, 333480, 389540, 409017, 467448, 545356, 584310, 666960, 681695, 779080, 818034, 934896, 1090712, 1168620, 1363390, 1558160, 1636068, 2045085, 2181424, 2337240, 2726780, 3272136, 4090170, 4674480, 5453560, 6544272, 7732369, 8180340, 10907120, 15464738, 16360680, 23197107, 30929476, 32721360, 38661845, 46394214, 54126583, 61858952, 77323690, 92788428, 108253166, 115985535, 123717904, 154647380, 162379749, 185576856, 216506332, 231971070, 270632915, 309294760, 324759498, 371153712, 433012664, 463942140, 541265830, 618589520, 649518996, 811898745, 866025328, 927884280, 1082531660, 1299037992, 1623797490, 1855768560, 2165063320, 2598075984, 3247594980, 4330126640, 6495189960, 12990379920]

約数ペア:

[(1, 12990379920), (2, 6495189960), (3, 4330126640), (4, 3247594980), (5, 2598075984), (6, 2165063320), (7, 1855768560), (8, 1623797490), (10, 1299037992), (12, 1082531660), (14, 927884280), (15, 866025328), (16, 811898745), (20, 649518996), (21, 618589520), (24, 541265830), (28, 463942140), (30, 433012664), (35, 371153712), (40, 324759498), (42, 309294760), (48, 270632915), (56, 231971070), (60, 216506332), (70, 185576856), (80, 162379749), (84, 154647380), (105, 123717904), (112, 115985535), (120, 108253166), (140, 92788428), (168, 77323690), (210, 61858952), (240, 54126583), (280, 46394214), (336, 38661845), (397, 32721360), (420, 30929476), (560, 23197107), (794, 16360680), (840, 15464738), (1191, 10907120), (1588, 8180340), (1680, 7732369), (1985, 6544272), (2382, 5453560), (2779, 4674480), (3176, 4090170), (3970, 3272136), (4764, 2726780), (5558, 2337240), (5955, 2181424), (6352, 2045085), (7940, 1636068), (8337, 1558160), (9528, 1363390), (11116, 1168620), (11910, 1090712), (13895, 934896), (15880, 818034), (16674, 779080), (19056, 681695), (19477, 666960), (22232, 584310), (23820, 545356), (27790, 467448), (31760, 409017), (33348, 389540), (38954, 333480), (41685, 311632), (44464, 292155), (47640, 272678), (55580, 233724), (58431, 222320), (66696, 194770), (77908, 166740), (83370, 155816), (95280, 136339), (97385, 133392), (111160, 116862)]