71254120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8209}}^1$

素因数の和:8258

約数の個数: 64

約数和(自身を含む): 189158400

約数和(自身を除く): 117904280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8209, 8680, 16418, 32836, 41045, 57463, 65672, 82090, 114926, 164180, 229852, 254479, 287315, 328360, 459704, 508958, 574630, 1017916, 1149260, 1272395, 1781353, 2035832, 2298520, 2544790, 3562706, 5089580, 7125412, 8906765, 10179160, 14250824, 17813530, 35627060, 71254120]

約数ペア:

[(1, 71254120), (2, 35627060), (4, 17813530), (5, 14250824), (7, 10179160), (8, 8906765), (10, 7125412), (14, 5089580), (20, 3562706), (28, 2544790), (31, 2298520), (35, 2035832), (40, 1781353), (56, 1272395), (62, 1149260), (70, 1017916), (124, 574630), (140, 508958), (155, 459704), (217, 328360), (248, 287315), (280, 254479), (310, 229852), (434, 164180), (620, 114926), (868, 82090), (1085, 65672), (1240, 57463), (1736, 41045), (2170, 32836), (4340, 16418), (8209, 8680)]