78843080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 189509760

約数和(自身を除く): 110666680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 1993, 3956, 3986, 4945, 7912, 7972, 9890, 9965, 15944, 19780, 19930, 39560, 39860, 45839, 79720, 85699, 91678, 171398, 183356, 229195, 342796, 366712, 428495, 458390, 685592, 856990, 916780, 1713980, 1833560, 1971077, 3427960, 3942154, 7884308, 9855385, 15768616, 19710770, 39421540, 78843080]

約数ペア:

[(1, 78843080), (2, 39421540), (4, 19710770), (5, 15768616), (8, 9855385), (10, 7884308), (20, 3942154), (23, 3427960), (40, 1971077), (43, 1833560), (46, 1713980), (86, 916780), (92, 856990), (115, 685592), (172, 458390), (184, 428495), (215, 366712), (230, 342796), (344, 229195), (430, 183356), (460, 171398), (860, 91678), (920, 85699), (989, 79720), (1720, 45839), (1978, 39860), (1993, 39560), (3956, 19930), (3986, 19780), (4945, 15944), (7912, 9965), (7972, 9890)]