71545740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170347}}^1$

素因数の和:170366

約数の個数: 48

約数和(自身を含む): 228947712

約数和(自身を除く): 157401972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 170347, 340694, 511041, 681388, 851735, 1022082, 1192429, 1703470, 2044164, 2384858, 2555205, 3406940, 3577287, 4769716, 5110410, 5962145, 7154574, 10220820, 11924290, 14309148, 17886435, 23848580, 35772870, 71545740]

約数ペア:

[(1, 71545740), (2, 35772870), (3, 23848580), (4, 17886435), (5, 14309148), (6, 11924290), (7, 10220820), (10, 7154574), (12, 5962145), (14, 5110410), (15, 4769716), (20, 3577287), (21, 3406940), (28, 2555205), (30, 2384858), (35, 2044164), (42, 1703470), (60, 1192429), (70, 1022082), (84, 851735), (105, 681388), (140, 511041), (210, 340694), (420, 170347)]