7983920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 21695040

約数和(自身を除く): 13711120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 269, 280, 371, 424, 530, 538, 560, 742, 848, 1060, 1076, 1345, 1484, 1855, 1883, 2120, 2152, 2690, 2968, 3710, 3766, 4240, 4304, 5380, 5936, 7420, 7532, 9415, 10760, 14257, 14840, 15064, 18830, 21520, 28514, 29680, 30128, 37660, 57028, 71285, 75320, 99799, 114056, 142570, 150640, 199598, 228112, 285140, 399196, 498995, 570280, 798392, 997990, 1140560, 1596784, 1995980, 3991960, 7983920]

約数ペア:

[(1, 7983920), (2, 3991960), (4, 1995980), (5, 1596784), (7, 1140560), (8, 997990), (10, 798392), (14, 570280), (16, 498995), (20, 399196), (28, 285140), (35, 228112), (40, 199598), (53, 150640), (56, 142570), (70, 114056), (80, 99799), (106, 75320), (112, 71285), (140, 57028), (212, 37660), (265, 30128), (269, 29680), (280, 28514), (371, 21520), (424, 18830), (530, 15064), (538, 14840), (560, 14257), (742, 10760), (848, 9415), (1060, 7532), (1076, 7420), (1345, 5936), (1484, 5380), (1855, 4304), (1883, 4240), (2120, 3766), (2152, 3710), (2690, 2968)]