121551920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{217057}}^1$

素因数の和:217077

約数の個数: 40

約数和(自身を含む): 322982304

約数和(自身を除く): 201430384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 217057, 434114, 868228, 1085285, 1519399, 1736456, 2170570, 3038798, 3472912, 4341140, 6077596, 7596995, 8682280, 12155192, 15193990, 17364560, 24310384, 30387980, 60775960, 121551920]

約数ペア:

[(1, 121551920), (2, 60775960), (4, 30387980), (5, 24310384), (7, 17364560), (8, 15193990), (10, 12155192), (14, 8682280), (16, 7596995), (20, 6077596), (28, 4341140), (35, 3472912), (40, 3038798), (56, 2170570), (70, 1736456), (80, 1519399), (112, 1085285), (140, 868228), (280, 434114), (560, 217057)]