68719920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{286333}}^1$

素因数の和:286349

約数の個数: 40

約数和(自身を含む): 213032496

約数和(自身を除く): 144312576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 286333, 572666, 858999, 1145332, 1431665, 1717998, 2290664, 2863330, 3435996, 4294995, 4581328, 5726660, 6871992, 8589990, 11453320, 13743984, 17179980, 22906640, 34359960, 68719920]

約数ペア:

[(1, 68719920), (2, 34359960), (3, 22906640), (4, 17179980), (5, 13743984), (6, 11453320), (8, 8589990), (10, 6871992), (12, 5726660), (15, 4581328), (16, 4294995), (20, 3435996), (24, 2863330), (30, 2290664), (40, 1717998), (48, 1431665), (60, 1145332), (80, 858999), (120, 572666), (240, 286333)]