256708008

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{19483}}^1$

素因数の和:19559

約数の個数: 64

約数和(自身を含む): 724804800

約数和(自身を除く): 468096792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1647, 2196, 3294, 4392, 6588, 13176, 19483, 38966, 58449, 77932, 116898, 155864, 175347, 233796, 350694, 467592, 526041, 701388, 1052082, 1188463, 1402776, 2104164, 2376926, 3565389, 4208328, 4753852, 7130778, 9507704, 10696167, 14261556, 21392334, 28523112, 32088501, 42784668, 64177002, 85569336, 128354004, 256708008]

約数ペア:

[(1, 256708008), (2, 128354004), (3, 85569336), (4, 64177002), (6, 42784668), (8, 32088501), (9, 28523112), (12, 21392334), (18, 14261556), (24, 10696167), (27, 9507704), (36, 7130778), (54, 4753852), (61, 4208328), (72, 3565389), (108, 2376926), (122, 2104164), (183, 1402776), (216, 1188463), (244, 1052082), (366, 701388), (488, 526041), (549, 467592), (732, 350694), (1098, 233796), (1464, 175347), (1647, 155864), (2196, 116898), (3294, 77932), (4392, 58449), (6588, 38966), (13176, 19483)]