678900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 2055424

約数和(自身を除く): 1376524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 73, 75, 93, 100, 124, 146, 150, 155, 186, 219, 292, 300, 310, 365, 372, 438, 465, 620, 730, 775, 876, 930, 1095, 1460, 1550, 1825, 1860, 2190, 2263, 2325, 3100, 3650, 4380, 4526, 4650, 5475, 6789, 7300, 9052, 9300, 10950, 11315, 13578, 21900, 22630, 27156, 33945, 45260, 56575, 67890, 113150, 135780, 169725, 226300, 339450, 678900]

約数ペア:

[(1, 678900), (2, 339450), (3, 226300), (4, 169725), (5, 135780), (6, 113150), (10, 67890), (12, 56575), (15, 45260), (20, 33945), (25, 27156), (30, 22630), (31, 21900), (50, 13578), (60, 11315), (62, 10950), (73, 9300), (75, 9052), (93, 7300), (100, 6789), (124, 5475), (146, 4650), (150, 4526), (155, 4380), (186, 3650), (219, 3100), (292, 2325), (300, 2263), (310, 2190), (365, 1860), (372, 1825), (438, 1550), (465, 1460), (620, 1095), (730, 930), (775, 876)]