78302840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25423}}^1$

素因数の和:25452

約数の個数: 64

約数和(自身を含む): 219663360

約数和(自身を除く): 141360520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25423, 50846, 101692, 127115, 177961, 203384, 254230, 279653, 355922, 508460, 559306, 711844, 889805, 1016920, 1118612, 1398265, 1423688, 1779610, 1957571, 2237224, 2796530, 3559220, 3915142, 5593060, 7118440, 7830284, 9787855, 11186120, 15660568, 19575710, 39151420, 78302840]

約数ペア:

[(1, 78302840), (2, 39151420), (4, 19575710), (5, 15660568), (7, 11186120), (8, 9787855), (10, 7830284), (11, 7118440), (14, 5593060), (20, 3915142), (22, 3559220), (28, 2796530), (35, 2237224), (40, 1957571), (44, 1779610), (55, 1423688), (56, 1398265), (70, 1118612), (77, 1016920), (88, 889805), (110, 711844), (140, 559306), (154, 508460), (220, 355922), (280, 279653), (308, 254230), (385, 203384), (440, 177961), (616, 127115), (770, 101692), (1540, 50846), (3080, 25423)]