78157240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5939}}^1$

素因数の和:6004

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 127129160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 5939, 6580, 11878, 13160, 23756, 29695, 41573, 47512, 59390, 83146, 118780, 166292, 207865, 237560, 279133, 332584, 415730, 558266, 831460, 1116532, 1395665, 1662920, 1953931, 2233064, 2791330, 3907862, 5582660, 7815724, 9769655, 11165320, 15631448, 19539310, 39078620, 78157240]

約数ペア:

[(1, 78157240), (2, 39078620), (4, 19539310), (5, 15631448), (7, 11165320), (8, 9769655), (10, 7815724), (14, 5582660), (20, 3907862), (28, 2791330), (35, 2233064), (40, 1953931), (47, 1662920), (56, 1395665), (70, 1116532), (94, 831460), (140, 558266), (188, 415730), (235, 332584), (280, 279133), (329, 237560), (376, 207865), (470, 166292), (658, 118780), (940, 83146), (1316, 59390), (1645, 47512), (1880, 41573), (2632, 29695), (3290, 23756), (5939, 13160), (6580, 11878)]