81947430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{827}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 219386880

約数和(自身を除く): 137439450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 367, 734, 827, 1101, 1654, 1835, 2202, 2481, 3303, 3670, 4135, 4962, 5505, 6606, 7443, 8270, 9909, 11010, 12405, 14886, 16515, 19818, 22329, 24810, 33030, 37215, 44658, 49545, 74430, 99090, 111645, 223290, 303509, 607018, 910527, 1517545, 1821054, 2731581, 3035090, 4552635, 5463162, 8194743, 9105270, 13657905, 16389486, 27315810, 40973715, 81947430]

約数ペア:

[(1, 81947430), (2, 40973715), (3, 27315810), (5, 16389486), (6, 13657905), (9, 9105270), (10, 8194743), (15, 5463162), (18, 4552635), (27, 3035090), (30, 2731581), (45, 1821054), (54, 1517545), (90, 910527), (135, 607018), (270, 303509), (367, 223290), (734, 111645), (827, 99090), (1101, 74430), (1654, 49545), (1835, 44658), (2202, 37215), (2481, 33030), (3303, 24810), (3670, 22329), (4135, 19818), (4962, 16515), (5505, 14886), (6606, 12405), (7443, 11010), (8270, 9909)]