2931880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 7770240

約数和(自身を除く): 4838360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 283, 296, 370, 518, 566, 740, 1036, 1132, 1295, 1415, 1480, 1981, 2072, 2264, 2590, 2830, 3962, 5180, 5660, 7924, 9905, 10360, 10471, 11320, 15848, 19810, 20942, 39620, 41884, 52355, 73297, 79240, 83768, 104710, 146594, 209420, 293188, 366485, 418840, 586376, 732970, 1465940, 2931880]

約数ペア:

[(1, 2931880), (2, 1465940), (4, 732970), (5, 586376), (7, 418840), (8, 366485), (10, 293188), (14, 209420), (20, 146594), (28, 104710), (35, 83768), (37, 79240), (40, 73297), (56, 52355), (70, 41884), (74, 39620), (140, 20942), (148, 19810), (185, 15848), (259, 11320), (280, 10471), (283, 10360), (296, 9905), (370, 7924), (518, 5660), (566, 5180), (740, 3962), (1036, 2830), (1132, 2590), (1295, 2264), (1415, 2072), (1480, 1981)]