81224730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39239}}^1$

素因数の和:39275

約数の個数: 48

約数和(自身を含む): 220371840

約数和(自身を除く): 139147110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 39239, 78478, 117717, 196195, 235434, 353151, 392390, 588585, 706302, 902497, 1177170, 1765755, 1804994, 2707491, 3531510, 4512485, 5414982, 8122473, 9024970, 13537455, 16244946, 27074910, 40612365, 81224730]

約数ペア:

[(1, 81224730), (2, 40612365), (3, 27074910), (5, 16244946), (6, 13537455), (9, 9024970), (10, 8122473), (15, 5414982), (18, 4512485), (23, 3531510), (30, 2707491), (45, 1804994), (46, 1765755), (69, 1177170), (90, 902497), (115, 706302), (138, 588585), (207, 392390), (230, 353151), (345, 235434), (414, 196195), (690, 117717), (1035, 78478), (2070, 39239)]