77477680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4514

約数の個数: 80

約数和(自身を含む): 212557824

約数和(自身を除く): 135080144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4463, 8680, 8926, 17360, 17852, 22315, 31241, 35704, 44630, 62482, 71408, 89260, 124964, 138353, 156205, 178520, 249928, 276706, 312410, 357040, 499856, 553412, 624820, 691765, 968471, 1106824, 1249640, 1383530, 1936942, 2213648, 2499280, 2767060, 3873884, 4842355, 5534120, 7747768, 9684710, 11068240, 15495536, 19369420, 38738840, 77477680]

約数ペア:

[(1, 77477680), (2, 38738840), (4, 19369420), (5, 15495536), (7, 11068240), (8, 9684710), (10, 7747768), (14, 5534120), (16, 4842355), (20, 3873884), (28, 2767060), (31, 2499280), (35, 2213648), (40, 1936942), (56, 1383530), (62, 1249640), (70, 1106824), (80, 968471), (112, 691765), (124, 624820), (140, 553412), (155, 499856), (217, 357040), (248, 312410), (280, 276706), (310, 249928), (434, 178520), (496, 156205), (560, 138353), (620, 124964), (868, 89260), (1085, 71408), (1240, 62482), (1736, 44630), (2170, 35704), (2480, 31241), (3472, 22315), (4340, 17852), (4463, 17360), (8680, 8926)]