247806840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9787}}^1$

素因数の和:10012

約数の個数: 64

約数和(自身を含む): 747020160

約数和(自身を除く): 499213320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 9787, 12660, 19574, 25320, 29361, 39148, 48935, 58722, 78296, 97870, 117444, 146805, 195740, 234888, 293610, 391480, 587220, 1174440, 2065057, 4130114, 6195171, 8260228, 10325285, 12390342, 16520456, 20650570, 24780684, 30975855, 41301140, 49561368, 61951710, 82602280, 123903420, 247806840]

約数ペア:

[(1, 247806840), (2, 123903420), (3, 82602280), (4, 61951710), (5, 49561368), (6, 41301140), (8, 30975855), (10, 24780684), (12, 20650570), (15, 16520456), (20, 12390342), (24, 10325285), (30, 8260228), (40, 6195171), (60, 4130114), (120, 2065057), (211, 1174440), (422, 587220), (633, 391480), (844, 293610), (1055, 234888), (1266, 195740), (1688, 146805), (2110, 117444), (2532, 97870), (3165, 78296), (4220, 58722), (5064, 48935), (6330, 39148), (8440, 29361), (9787, 25320), (12660, 19574)]