1247713040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{7873}}^1$

素因数の和:8176

約数の個数: 80

約数和(自身を含む): 3327489408

約数和(自身を除く): 2079776368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 1132, 1415, 1981, 2264, 2830, 3962, 4528, 5660, 7873, 7924, 9905, 11320, 15746, 15848, 19810, 22640, 31492, 31696, 39365, 39620, 55111, 62984, 78730, 79240, 110222, 125968, 157460, 158480, 220444, 275555, 314920, 440888, 551110, 629840, 881776, 1102220, 2204440, 2228059, 4408880, 4456118, 8912236, 11140295, 15596413, 17824472, 22280590, 31192826, 35648944, 44561180, 62385652, 77982065, 89122360, 124771304, 155964130, 178244720, 249542608, 311928260, 623856520, 1247713040]

約数ペア:

[(1, 1247713040), (2, 623856520), (4, 311928260), (5, 249542608), (7, 178244720), (8, 155964130), (10, 124771304), (14, 89122360), (16, 77982065), (20, 62385652), (28, 44561180), (35, 35648944), (40, 31192826), (56, 22280590), (70, 17824472), (80, 15596413), (112, 11140295), (140, 8912236), (280, 4456118), (283, 4408880), (560, 2228059), (566, 2204440), (1132, 1102220), (1415, 881776), (1981, 629840), (2264, 551110), (2830, 440888), (3962, 314920), (4528, 275555), (5660, 220444), (7873, 158480), (7924, 157460), (9905, 125968), (11320, 110222), (15746, 79240), (15848, 78730), (19810, 62984), (22640, 55111), (31492, 39620), (31696, 39365)]