428760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{397}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 1432800

約数和(自身を除く): 1004040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 397, 540, 794, 1080, 1191, 1588, 1985, 2382, 3176, 3573, 3970, 4764, 5955, 7146, 7940, 9528, 10719, 11910, 14292, 15880, 17865, 21438, 23820, 28584, 35730, 42876, 47640, 53595, 71460, 85752, 107190, 142920, 214380, 428760]

約数ペア:

[(1, 428760), (2, 214380), (3, 142920), (4, 107190), (5, 85752), (6, 71460), (8, 53595), (9, 47640), (10, 42876), (12, 35730), (15, 28584), (18, 23820), (20, 21438), (24, 17865), (27, 15880), (30, 14292), (36, 11910), (40, 10719), (45, 9528), (54, 7940), (60, 7146), (72, 5955), (90, 4764), (108, 3970), (120, 3573), (135, 3176), (180, 2382), (216, 1985), (270, 1588), (360, 1191), (397, 1080), (540, 794)]