718980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 2104704

約数和(自身を除く): 1385724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 521, 690, 1042, 1380, 1563, 2084, 2605, 3126, 5210, 6252, 7815, 10420, 11983, 15630, 23966, 31260, 35949, 47932, 59915, 71898, 119830, 143796, 179745, 239660, 359490, 718980]

約数ペア:

[(1, 718980), (2, 359490), (3, 239660), (4, 179745), (5, 143796), (6, 119830), (10, 71898), (12, 59915), (15, 47932), (20, 35949), (23, 31260), (30, 23966), (46, 15630), (60, 11983), (69, 10420), (92, 7815), (115, 6252), (138, 5210), (230, 3126), (276, 2605), (345, 2084), (460, 1563), (521, 1380), (690, 1042)]