81069560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14173}}^1$

素因数の和:14208

約数の個数: 64

約数和(自身を含む): 214310880

約数和(自身を除く): 133241320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 14173, 28346, 56692, 70865, 113384, 141730, 155903, 184249, 283460, 311806, 368498, 566920, 623612, 736996, 779515, 921245, 1247224, 1473992, 1559030, 1842490, 2026739, 3118060, 3684980, 4053478, 6236120, 7369960, 8106956, 10133695, 16213912, 20267390, 40534780, 81069560]

約数ペア:

[(1, 81069560), (2, 40534780), (4, 20267390), (5, 16213912), (8, 10133695), (10, 8106956), (11, 7369960), (13, 6236120), (20, 4053478), (22, 3684980), (26, 3118060), (40, 2026739), (44, 1842490), (52, 1559030), (55, 1473992), (65, 1247224), (88, 921245), (104, 779515), (110, 736996), (130, 623612), (143, 566920), (220, 368498), (260, 311806), (286, 283460), (440, 184249), (520, 155903), (572, 141730), (715, 113384), (1144, 70865), (1430, 56692), (2860, 28346), (5720, 14173)]