64097820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20947}}^1$

素因数の和:20979

約数の個数: 72

約数和(自身を含む): 205876944

約数和(自身を除く): 141779124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 20947, 41894, 62841, 83788, 104735, 125682, 188523, 209470, 251364, 314205, 356099, 377046, 418940, 628410, 712198, 754092, 942615, 1068297, 1256820, 1424396, 1780495, 1885230, 2136594, 3204891, 3560990, 3770460, 4273188, 5341485, 6409782, 7121980, 10682970, 12819564, 16024455, 21365940, 32048910, 64097820]

約数ペア:

[(1, 64097820), (2, 32048910), (3, 21365940), (4, 16024455), (5, 12819564), (6, 10682970), (9, 7121980), (10, 6409782), (12, 5341485), (15, 4273188), (17, 3770460), (18, 3560990), (20, 3204891), (30, 2136594), (34, 1885230), (36, 1780495), (45, 1424396), (51, 1256820), (60, 1068297), (68, 942615), (85, 754092), (90, 712198), (102, 628410), (153, 418940), (170, 377046), (180, 356099), (204, 314205), (255, 251364), (306, 209470), (340, 188523), (510, 125682), (612, 104735), (765, 83788), (1020, 62841), (1530, 41894), (3060, 20947)]