2788290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 7776000

約数和(自身を除く): 4987710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 449, 621, 690, 898, 1035, 1242, 1347, 2070, 2245, 2694, 3105, 4041, 4490, 6210, 6735, 8082, 10327, 12123, 13470, 20205, 20654, 24246, 30981, 40410, 51635, 60615, 61962, 92943, 103270, 121230, 154905, 185886, 278829, 309810, 464715, 557658, 929430, 1394145, 2788290]

約数ペア:

[(1, 2788290), (2, 1394145), (3, 929430), (5, 557658), (6, 464715), (9, 309810), (10, 278829), (15, 185886), (18, 154905), (23, 121230), (27, 103270), (30, 92943), (45, 61962), (46, 60615), (54, 51635), (69, 40410), (90, 30981), (115, 24246), (135, 20654), (138, 20205), (207, 13470), (230, 12123), (270, 10327), (345, 8082), (414, 6735), (449, 6210), (621, 4490), (690, 4041), (898, 3105), (1035, 2694), (1242, 2245), (1347, 2070)]