8181330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 12720558

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 167, 213, 230, 334, 345, 355, 426, 501, 690, 710, 835, 1002, 1065, 1633, 1670, 2130, 2505, 3266, 3841, 4899, 5010, 7682, 8165, 9798, 11523, 11857, 16330, 19205, 23046, 23714, 24495, 35571, 38410, 48990, 57615, 59285, 71142, 115230, 118570, 177855, 272711, 355710, 545422, 818133, 1363555, 1636266, 2727110, 4090665, 8181330]

約数ペア:

[(1, 8181330), (2, 4090665), (3, 2727110), (5, 1636266), (6, 1363555), (10, 818133), (15, 545422), (23, 355710), (30, 272711), (46, 177855), (69, 118570), (71, 115230), (115, 71142), (138, 59285), (142, 57615), (167, 48990), (213, 38410), (230, 35571), (334, 24495), (345, 23714), (355, 23046), (426, 19205), (501, 16330), (690, 11857), (710, 11523), (835, 9798), (1002, 8165), (1065, 7682), (1633, 5010), (1670, 4899), (2130, 3841), (2505, 3266)]