178520724

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 468424320

約数和(自身を除く): 289903596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 79, 82, 123, 158, 164, 237, 246, 316, 369, 474, 492, 711, 738, 948, 1422, 1476, 1531, 2844, 3062, 3239, 4593, 6124, 6478, 9186, 9717, 12956, 13779, 18372, 19434, 27558, 29151, 38868, 55116, 58302, 62771, 116604, 120949, 125542, 188313, 241898, 251084, 362847, 376626, 483796, 564939, 725694, 753252, 1088541, 1129878, 1451388, 2177082, 2259756, 4354164, 4958909, 9917818, 14876727, 19835636, 29753454, 44630181, 59506908, 89260362, 178520724]

約数ペア:

[(1, 178520724), (2, 89260362), (3, 59506908), (4, 44630181), (6, 29753454), (9, 19835636), (12, 14876727), (18, 9917818), (36, 4958909), (41, 4354164), (79, 2259756), (82, 2177082), (123, 1451388), (158, 1129878), (164, 1088541), (237, 753252), (246, 725694), (316, 564939), (369, 483796), (474, 376626), (492, 362847), (711, 251084), (738, 241898), (948, 188313), (1422, 125542), (1476, 120949), (1531, 116604), (2844, 62771), (3062, 58302), (3239, 55116), (4593, 38868), (6124, 29151), (6478, 27558), (9186, 19434), (9717, 18372), (12956, 13779)]