81891270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13187}}^1$

素因数の和:13226

約数の個数: 64

約数和(自身を含む): 227888640

約数和(自身を除く): 145997370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 13187, 26374, 39561, 65935, 79122, 118683, 131870, 197805, 237366, 303301, 356049, 395610, 593415, 606602, 712098, 909903, 1186830, 1516505, 1780245, 1819806, 2729709, 3033010, 3560490, 4549515, 5459418, 8189127, 9099030, 13648545, 16378254, 27297090, 40945635, 81891270]

約数ペア:

[(1, 81891270), (2, 40945635), (3, 27297090), (5, 16378254), (6, 13648545), (9, 9099030), (10, 8189127), (15, 5459418), (18, 4549515), (23, 3560490), (27, 3033010), (30, 2729709), (45, 1819806), (46, 1780245), (54, 1516505), (69, 1186830), (90, 909903), (115, 712098), (135, 606602), (138, 593415), (207, 395610), (230, 356049), (270, 303301), (345, 237366), (414, 197805), (621, 131870), (690, 118683), (1035, 79122), (1242, 65935), (2070, 39561), (3105, 26374), (6210, 13187)]