51471960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1669}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 155109600

約数和(自身を除く): 103637640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 1669, 2056, 2570, 3084, 3338, 3855, 5007, 5140, 6168, 6676, 7710, 8345, 10014, 10280, 13352, 15420, 16690, 20028, 25035, 30840, 33380, 40056, 50070, 66760, 100140, 200280, 428933, 857866, 1286799, 1715732, 2144665, 2573598, 3431464, 4289330, 5147196, 6433995, 8578660, 10294392, 12867990, 17157320, 25735980, 51471960]

約数ペア:

[(1, 51471960), (2, 25735980), (3, 17157320), (4, 12867990), (5, 10294392), (6, 8578660), (8, 6433995), (10, 5147196), (12, 4289330), (15, 3431464), (20, 2573598), (24, 2144665), (30, 1715732), (40, 1286799), (60, 857866), (120, 428933), (257, 200280), (514, 100140), (771, 66760), (1028, 50070), (1285, 40056), (1542, 33380), (1669, 30840), (2056, 25035), (2570, 20028), (3084, 16690), (3338, 15420), (3855, 13352), (5007, 10280), (5140, 10014), (6168, 8345), (6676, 7710)]