1215392920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73571}}^1$

素因数の和:73648

約数の個数: 64

約数和(自身を含む): 3178310400

約数和(自身を除く): 1962917480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 8260, 16520, 73571, 147142, 294284, 367855, 514997, 588568, 735710, 1029994, 1471420, 2059988, 2574985, 2942840, 4119976, 4340689, 5149970, 8681378, 10299940, 17362756, 20599880, 21703445, 30384823, 34725512, 43406890, 60769646, 86813780, 121539292, 151924115, 173627560, 243078584, 303848230, 607696460, 1215392920]

約数ペア:

[(1, 1215392920), (2, 607696460), (4, 303848230), (5, 243078584), (7, 173627560), (8, 151924115), (10, 121539292), (14, 86813780), (20, 60769646), (28, 43406890), (35, 34725512), (40, 30384823), (56, 21703445), (59, 20599880), (70, 17362756), (118, 10299940), (140, 8681378), (236, 5149970), (280, 4340689), (295, 4119976), (413, 2942840), (472, 2574985), (590, 2059988), (826, 1471420), (1180, 1029994), (1652, 735710), (2065, 588568), (2360, 514997), (3304, 367855), (4130, 294284), (8260, 147142), (16520, 73571)]