217766760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78901}}^1$

素因数の和:78938

約数の個数: 64

約数和(自身を含む): 681713280

約数和(自身を除く): 463946520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 78901, 157802, 236703, 315604, 394505, 473406, 631208, 789010, 946812, 1183515, 1578020, 1814723, 1893624, 2367030, 3156040, 3629446, 4734060, 5444169, 7258892, 9073615, 9468120, 10888338, 14517784, 18147230, 21776676, 27220845, 36294460, 43553352, 54441690, 72588920, 108883380, 217766760]

約数ペア:

[(1, 217766760), (2, 108883380), (3, 72588920), (4, 54441690), (5, 43553352), (6, 36294460), (8, 27220845), (10, 21776676), (12, 18147230), (15, 14517784), (20, 10888338), (23, 9468120), (24, 9073615), (30, 7258892), (40, 5444169), (46, 4734060), (60, 3629446), (69, 3156040), (92, 2367030), (115, 1893624), (120, 1814723), (138, 1578020), (184, 1183515), (230, 946812), (276, 789010), (345, 631208), (460, 473406), (552, 394505), (690, 315604), (920, 236703), (1380, 157802), (2760, 78901)]