490775280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8147}}^1$

素因数の和:8414

約数の個数: 80

約数和(自身を含む): 1527652224

約数和(自身を除く): 1036876944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 8147, 10040, 12048, 15060, 16294, 20080, 24441, 30120, 32588, 40735, 48882, 60240, 65176, 81470, 97764, 122205, 130352, 162940, 195528, 244410, 325880, 391056, 488820, 651760, 977640, 1955280, 2044897, 4089794, 6134691, 8179588, 10224485, 12269382, 16359176, 20448970, 24538764, 30673455, 32718352, 40897940, 49077528, 61346910, 81795880, 98155056, 122693820, 163591760, 245387640, 490775280]

約数ペア:

[(1, 490775280), (2, 245387640), (3, 163591760), (4, 122693820), (5, 98155056), (6, 81795880), (8, 61346910), (10, 49077528), (12, 40897940), (15, 32718352), (16, 30673455), (20, 24538764), (24, 20448970), (30, 16359176), (40, 12269382), (48, 10224485), (60, 8179588), (80, 6134691), (120, 4089794), (240, 2044897), (251, 1955280), (502, 977640), (753, 651760), (1004, 488820), (1255, 391056), (1506, 325880), (2008, 244410), (2510, 195528), (3012, 162940), (3765, 130352), (4016, 122205), (5020, 97764), (6024, 81470), (7530, 65176), (8147, 60240), (10040, 48882), (12048, 40735), (15060, 32588), (16294, 30120), (20080, 24441)]