71763160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 185613120

約数和(自身を除く): 113849960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1301, 1379, 1576, 1970, 2602, 2758, 3940, 5204, 5516, 6505, 6895, 7880, 9107, 10408, 11032, 13010, 13790, 18214, 26020, 27580, 36428, 45535, 52040, 55160, 72856, 91070, 182140, 256297, 364280, 512594, 1025188, 1281485, 1794079, 2050376, 2562970, 3588158, 5125940, 7176316, 8970395, 10251880, 14352632, 17940790, 35881580, 71763160]

約数ペア:

[(1, 71763160), (2, 35881580), (4, 17940790), (5, 14352632), (7, 10251880), (8, 8970395), (10, 7176316), (14, 5125940), (20, 3588158), (28, 2562970), (35, 2050376), (40, 1794079), (56, 1281485), (70, 1025188), (140, 512594), (197, 364280), (280, 256297), (394, 182140), (788, 91070), (985, 72856), (1301, 55160), (1379, 52040), (1576, 45535), (1970, 36428), (2602, 27580), (2758, 26020), (3940, 18214), (5204, 13790), (5516, 13010), (6505, 11032), (6895, 10408), (7880, 9107)]