80994760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26297}}^1$

素因数の和:26326

約数の個数: 64

約数和(自身を含む): 227214720

約数和(自身を除く): 146219960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 26297, 52594, 105188, 131485, 184079, 210376, 262970, 289267, 368158, 525940, 578534, 736316, 920395, 1051880, 1157068, 1446335, 1472632, 1840790, 2024869, 2314136, 2892670, 3681580, 4049738, 5785340, 7363160, 8099476, 10124345, 11570680, 16198952, 20248690, 40497380, 80994760]

約数ペア:

[(1, 80994760), (2, 40497380), (4, 20248690), (5, 16198952), (7, 11570680), (8, 10124345), (10, 8099476), (11, 7363160), (14, 5785340), (20, 4049738), (22, 3681580), (28, 2892670), (35, 2314136), (40, 2024869), (44, 1840790), (55, 1472632), (56, 1446335), (70, 1157068), (77, 1051880), (88, 920395), (110, 736316), (140, 578534), (154, 525940), (220, 368158), (280, 289267), (308, 262970), (385, 210376), (440, 184079), (616, 131485), (770, 105188), (1540, 52594), (3080, 26297)]