77474280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49663}}^1$

素因数の和:49690

約数の個数: 64

約数和(自身を含む): 250306560

約数和(自身を除く): 172832280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 49663, 99326, 148989, 198652, 248315, 297978, 397304, 496630, 595956, 645619, 744945, 993260, 1191912, 1291238, 1489890, 1936857, 1986520, 2582476, 2979780, 3228095, 3873714, 5164952, 5959560, 6456190, 7747428, 9684285, 12912380, 15494856, 19368570, 25824760, 38737140, 77474280]

約数ペア:

[(1, 77474280), (2, 38737140), (3, 25824760), (4, 19368570), (5, 15494856), (6, 12912380), (8, 9684285), (10, 7747428), (12, 6456190), (13, 5959560), (15, 5164952), (20, 3873714), (24, 3228095), (26, 2979780), (30, 2582476), (39, 1986520), (40, 1936857), (52, 1489890), (60, 1291238), (65, 1191912), (78, 993260), (104, 744945), (120, 645619), (130, 595956), (156, 496630), (195, 397304), (260, 297978), (312, 248315), (390, 198652), (520, 148989), (780, 99326), (1560, 49663)]