231619920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{137869}}^1$

素因数の和:137892

約数の個数: 80

約数和(自身を含む): 820602240

約数和(自身を除く): 588982320

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, 420, 560, 840, 1680, 137869, 275738, 413607, 551476, 689345, 827214, 965083, 1102952, 1378690, 1654428, 1930166, 2068035, 2205904, 2757380, 2895249, 3308856, 3860332, 4136070, 4825415, 5514760, 5790498, 6617712, 7720664, 8272140, 9650830, 11029520, 11580996, 14476245, 15441328, 16544280, 19301660, 23161992, 28952490, 33088560, 38603320, 46323984, 57904980, 77206640, 115809960, 231619920]

約数ペア:

[(1, 231619920), (2, 115809960), (3, 77206640), (4, 57904980), (5, 46323984), (6, 38603320), (7, 33088560), (8, 28952490), (10, 23161992), (12, 19301660), (14, 16544280), (15, 15441328), (16, 14476245), (20, 11580996), (21, 11029520), (24, 9650830), (28, 8272140), (30, 7720664), (35, 6617712), (40, 5790498), (42, 5514760), (48, 4825415), (56, 4136070), (60, 3860332), (70, 3308856), (80, 2895249), (84, 2757380), (105, 2205904), (112, 2068035), (120, 1930166), (140, 1654428), (168, 1378690), (210, 1102952), (240, 965083), (280, 827214), (336, 689345), (420, 551476), (560, 413607), (840, 275738), (1680, 137869)]