321679920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1340333}}^1$

素因数の和:1340349

約数の個数: 40

約数和(自身を含む): 997208496

約数和(自身を除く): 675528576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1340333, 2680666, 4020999, 5361332, 6701665, 8041998, 10722664, 13403330, 16083996, 20104995, 21445328, 26806660, 32167992, 40209990, 53613320, 64335984, 80419980, 107226640, 160839960, 321679920]

約数ペア:

[(1, 321679920), (2, 160839960), (3, 107226640), (4, 80419980), (5, 64335984), (6, 53613320), (8, 40209990), (10, 32167992), (12, 26806660), (15, 21445328), (16, 20104995), (20, 16083996), (24, 13403330), (30, 10722664), (40, 8041998), (48, 6701665), (60, 5361332), (80, 4020999), (120, 2680666), (240, 1340333)]