72015440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128599}}^1$

素因数の和:128619

約数の個数: 40

約数和(自身を含む): 191356800

約数和(自身を除く): 119341360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128599, 257198, 514396, 642995, 900193, 1028792, 1285990, 1800386, 2057584, 2571980, 3600772, 4500965, 5143960, 7201544, 9001930, 10287920, 14403088, 18003860, 36007720, 72015440]

約数ペア:

[(1, 72015440), (2, 36007720), (4, 18003860), (5, 14403088), (7, 10287920), (8, 9001930), (10, 7201544), (14, 5143960), (16, 4500965), (20, 3600772), (28, 2571980), (35, 2057584), (40, 1800386), (56, 1285990), (70, 1028792), (80, 900193), (112, 642995), (140, 514396), (280, 257198), (560, 128599)]