285840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1$

素因数の和:416

約数の個数: 60

約数和(自身を含む): 962364

約数和(自身を除く): 676524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 1191, 1588, 1985, 2382, 3176, 3573, 3970, 4764, 5955, 6352, 7146, 7940, 9528, 11910, 14292, 15880, 17865, 19056, 23820, 28584, 31760, 35730, 47640, 57168, 71460, 95280, 142920, 285840]

約数ペア:

[(1, 285840), (2, 142920), (3, 95280), (4, 71460), (5, 57168), (6, 47640), (8, 35730), (9, 31760), (10, 28584), (12, 23820), (15, 19056), (16, 17865), (18, 15880), (20, 14292), (24, 11910), (30, 9528), (36, 7940), (40, 7146), (45, 6352), (48, 5955), (60, 4764), (72, 3970), (80, 3573), (90, 3176), (120, 2382), (144, 1985), (180, 1588), (240, 1191), (360, 794), (397, 720)]