251353260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{465469}}^1$

素因数の和:465487

約数の個数: 48

約数和(自身を含む): 781989600

約数和(自身を除く): 530636340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 465469, 930938, 1396407, 1861876, 2327345, 2792814, 4189221, 4654690, 5585628, 6982035, 8378442, 9309380, 12567663, 13964070, 16756884, 20946105, 25135326, 27928140, 41892210, 50270652, 62838315, 83784420, 125676630, 251353260]

約数ペア:

[(1, 251353260), (2, 125676630), (3, 83784420), (4, 62838315), (5, 50270652), (6, 41892210), (9, 27928140), (10, 25135326), (12, 20946105), (15, 16756884), (18, 13964070), (20, 12567663), (27, 9309380), (30, 8378442), (36, 6982035), (45, 5585628), (54, 4654690), (60, 4189221), (90, 2792814), (108, 2327345), (135, 1861876), (180, 1396407), (270, 930938), (540, 465469)]