780139960

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{3001}}^1$

素因数の和:3176

約数の個数: 64

約数和(自身を含む): 1800479520

約数和(自身を除く): 1020339560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 97, 134, 194, 268, 335, 388, 485, 536, 670, 776, 970, 1340, 1940, 2680, 3001, 3880, 6002, 6499, 12004, 12998, 15005, 24008, 25996, 30010, 32495, 51992, 60020, 64990, 120040, 129980, 201067, 259960, 291097, 402134, 582194, 804268, 1005335, 1164388, 1455485, 1608536, 2010670, 2328776, 2910970, 4021340, 5821940, 8042680, 11643880, 19503499, 39006998, 78013996, 97517495, 156027992, 195034990, 390069980, 780139960]

約数ペア:

[(1, 780139960), (2, 390069980), (4, 195034990), (5, 156027992), (8, 97517495), (10, 78013996), (20, 39006998), (40, 19503499), (67, 11643880), (97, 8042680), (134, 5821940), (194, 4021340), (268, 2910970), (335, 2328776), (388, 2010670), (485, 1608536), (536, 1455485), (670, 1164388), (776, 1005335), (970, 804268), (1340, 582194), (1940, 402134), (2680, 291097), (3001, 259960), (3880, 201067), (6002, 129980), (6499, 120040), (12004, 64990), (12998, 60020), (15005, 51992), (24008, 32495), (25996, 30010)]