77867820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25447}}^1$

素因数の和:25479

約数の個数: 72

約数和(自身を含む): 250102944

約数和(自身を除く): 172235124

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, 25447, 50894, 76341, 101788, 127235, 152682, 229023, 254470, 305364, 381705, 432599, 458046, 508940, 763410, 865198, 916092, 1145115, 1297797, 1526820, 1730396, 2162995, 2290230, 2595594, 3893391, 4325990, 4580460, 5191188, 6488985, 7786782, 8651980, 12977970, 15573564, 19466955, 25955940, 38933910, 77867820]

約数ペア:

[(1, 77867820), (2, 38933910), (3, 25955940), (4, 19466955), (5, 15573564), (6, 12977970), (9, 8651980), (10, 7786782), (12, 6488985), (15, 5191188), (17, 4580460), (18, 4325990), (20, 3893391), (30, 2595594), (34, 2290230), (36, 2162995), (45, 1730396), (51, 1526820), (60, 1297797), (68, 1145115), (85, 916092), (90, 865198), (102, 763410), (153, 508940), (170, 458046), (180, 432599), (204, 381705), (255, 305364), (306, 254470), (340, 229023), (510, 152682), (612, 127235), (765, 101788), (1020, 76341), (1530, 50894), (3060, 25447)]