90707680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80989}}^1$

素因数の和:81011

約数の個数: 48

約数和(自身を含む): 244913760

約数和(自身を除く): 154206080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80989, 161978, 323956, 404945, 566923, 647912, 809890, 1133846, 1295824, 1619780, 2267692, 2591648, 2834615, 3239560, 4535384, 5669230, 6479120, 9070768, 11338460, 12958240, 18141536, 22676920, 45353840, 90707680]

約数ペア:

[(1, 90707680), (2, 45353840), (4, 22676920), (5, 18141536), (7, 12958240), (8, 11338460), (10, 9070768), (14, 6479120), (16, 5669230), (20, 4535384), (28, 3239560), (32, 2834615), (35, 2591648), (40, 2267692), (56, 1619780), (70, 1295824), (80, 1133846), (112, 809890), (140, 647912), (160, 566923), (224, 404945), (280, 323956), (560, 161978), (1120, 80989)]