15871208780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{148579}}^1$

素因数の和:148711

約数の個数: 72

約数和(自身を含む): 39127057200

約数和(自身を除く): 23255848420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 3052, 3815, 5341, 7630, 10682, 15260, 21364, 26705, 53410, 106820, 148579, 297158, 594316, 742895, 1040053, 1485790, 2080106, 2971580, 4160212, 5200265, 7280371, 10400530, 14560742, 16195111, 20801060, 29121484, 32390222, 36401855, 64780444, 72803710, 80975555, 113365777, 145607420, 161951110, 226731554, 323902220, 453463108, 566828885, 793560439, 1133657770, 1587120878, 2267315540, 3174241756, 3967802195, 7935604390, 15871208780]

約数ペア:

[(1, 15871208780), (2, 7935604390), (4, 3967802195), (5, 3174241756), (7, 2267315540), (10, 1587120878), (14, 1133657770), (20, 793560439), (28, 566828885), (35, 453463108), (49, 323902220), (70, 226731554), (98, 161951110), (109, 145607420), (140, 113365777), (196, 80975555), (218, 72803710), (245, 64780444), (436, 36401855), (490, 32390222), (545, 29121484), (763, 20801060), (980, 16195111), (1090, 14560742), (1526, 10400530), (2180, 7280371), (3052, 5200265), (3815, 4160212), (5341, 2971580), (7630, 2080106), (10682, 1485790), (15260, 1040053), (21364, 742895), (26705, 594316), (53410, 297158), (106820, 148579)]