87358140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21101}}^1$

素因数の和:21139

約数の個数: 72

約数和(自身を含む): 276520608

約数和(自身を除く): 189162468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21101, 42202, 63303, 84404, 105505, 126606, 189909, 211010, 253212, 316515, 379818, 422020, 485323, 633030, 759636, 949545, 970646, 1266060, 1455969, 1899090, 1941292, 2426615, 2911938, 3798180, 4367907, 4853230, 5823876, 7279845, 8735814, 9706460, 14559690, 17471628, 21839535, 29119380, 43679070, 87358140]

約数ペア:

[(1, 87358140), (2, 43679070), (3, 29119380), (4, 21839535), (5, 17471628), (6, 14559690), (9, 9706460), (10, 8735814), (12, 7279845), (15, 5823876), (18, 4853230), (20, 4367907), (23, 3798180), (30, 2911938), (36, 2426615), (45, 1941292), (46, 1899090), (60, 1455969), (69, 1266060), (90, 970646), (92, 949545), (115, 759636), (138, 633030), (180, 485323), (207, 422020), (230, 379818), (276, 316515), (345, 253212), (414, 211010), (460, 189909), (690, 126606), (828, 105505), (1035, 84404), (1380, 63303), (2070, 42202), (4140, 21101)]