158322920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{80777}}^1$

素因数の和:80802

約数の個数: 48

約数和(自身を含む): 414391140

約数和(自身を除く): 256068220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 80777, 161554, 323108, 403885, 565439, 646216, 807770, 1130878, 1615540, 2261756, 2827195, 3231080, 3958073, 4523512, 5654390, 7916146, 11308780, 15832292, 19790365, 22617560, 31664584, 39580730, 79161460, 158322920]

約数ペア:

[(1, 158322920), (2, 79161460), (4, 39580730), (5, 31664584), (7, 22617560), (8, 19790365), (10, 15832292), (14, 11308780), (20, 7916146), (28, 5654390), (35, 4523512), (40, 3958073), (49, 3231080), (56, 2827195), (70, 2261756), (98, 1615540), (140, 1130878), (196, 807770), (245, 646216), (280, 565439), (392, 403885), (490, 323108), (980, 161554), (1960, 80777)]