78418480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{601}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 209611584

約数和(自身を除く): 131193104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 601, 932, 1165, 1202, 1631, 1864, 2330, 2404, 3005, 3262, 3728, 4207, 4660, 4808, 6010, 6524, 8155, 8414, 9320, 9616, 12020, 13048, 16310, 16828, 18640, 21035, 24040, 26096, 32620, 33656, 42070, 48080, 65240, 67312, 84140, 130480, 140033, 168280, 280066, 336560, 560132, 700165, 980231, 1120264, 1400330, 1960462, 2240528, 2800660, 3920924, 4901155, 5601320, 7841848, 9802310, 11202640, 15683696, 19604620, 39209240, 78418480]

約数ペア:

[(1, 78418480), (2, 39209240), (4, 19604620), (5, 15683696), (7, 11202640), (8, 9802310), (10, 7841848), (14, 5601320), (16, 4901155), (20, 3920924), (28, 2800660), (35, 2240528), (40, 1960462), (56, 1400330), (70, 1120264), (80, 980231), (112, 700165), (140, 560132), (233, 336560), (280, 280066), (466, 168280), (560, 140033), (601, 130480), (932, 84140), (1165, 67312), (1202, 65240), (1631, 48080), (1864, 42070), (2330, 33656), (2404, 32620), (3005, 26096), (3262, 24040), (3728, 21035), (4207, 18640), (4660, 16828), (4808, 16310), (6010, 13048), (6524, 12020), (8155, 9616), (8414, 9320)]