85280720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{152287}}^1$

素因数の和:152307

約数の個数: 40

約数和(自身を含む): 226604544

約数和(自身を除く): 141323824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 152287, 304574, 609148, 761435, 1066009, 1218296, 1522870, 2132018, 2436592, 3045740, 4264036, 5330045, 6091480, 8528072, 10660090, 12182960, 17056144, 21320180, 42640360, 85280720]

約数ペア:

[(1, 85280720), (2, 42640360), (4, 21320180), (5, 17056144), (7, 12182960), (8, 10660090), (10, 8528072), (14, 6091480), (16, 5330045), (20, 4264036), (28, 3045740), (35, 2436592), (40, 2132018), (56, 1522870), (70, 1218296), (80, 1066009), (112, 761435), (140, 609148), (280, 304574), (560, 152287)]