691967920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8293}}^1$

素因数の和:8462

約数の個数: 80

約数和(自身を含む): 1851220800

約数和(自身を除く): 1159252880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 2086, 2384, 2980, 4172, 5215, 5960, 8293, 8344, 10430, 11920, 16586, 16688, 20860, 33172, 41465, 41720, 58051, 66344, 82930, 83440, 116102, 132688, 165860, 232204, 290255, 331720, 464408, 580510, 663440, 928816, 1161020, 1235657, 2322040, 2471314, 4644080, 4942628, 6178285, 8649599, 9885256, 12356570, 17299198, 19770512, 24713140, 34598396, 43247995, 49426280, 69196792, 86495990, 98852560, 138393584, 172991980, 345983960, 691967920]

約数ペア:

[(1, 691967920), (2, 345983960), (4, 172991980), (5, 138393584), (7, 98852560), (8, 86495990), (10, 69196792), (14, 49426280), (16, 43247995), (20, 34598396), (28, 24713140), (35, 19770512), (40, 17299198), (56, 12356570), (70, 9885256), (80, 8649599), (112, 6178285), (140, 4942628), (149, 4644080), (280, 2471314), (298, 2322040), (560, 1235657), (596, 1161020), (745, 928816), (1043, 663440), (1192, 580510), (1490, 464408), (2086, 331720), (2384, 290255), (2980, 232204), (4172, 165860), (5215, 132688), (5960, 116102), (8293, 83440), (8344, 82930), (10430, 66344), (11920, 58051), (16586, 41720), (16688, 41465), (20860, 33172)]