81146790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21991}}^1$

素因数の和:22045

約数の個数: 48

約数和(自身を含む): 216137376

約数和(自身を除く): 134990586

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 21991, 43982, 65973, 109955, 131946, 197919, 219910, 329865, 395838, 659730, 901631, 989595, 1803262, 1979190, 2704893, 4508155, 5409786, 8114679, 9016310, 13524465, 16229358, 27048930, 40573395, 81146790]

約数ペア:

[(1, 81146790), (2, 40573395), (3, 27048930), (5, 16229358), (6, 13524465), (9, 9016310), (10, 8114679), (15, 5409786), (18, 4508155), (30, 2704893), (41, 1979190), (45, 1803262), (82, 989595), (90, 901631), (123, 659730), (205, 395838), (246, 329865), (369, 219910), (410, 197919), (615, 131946), (738, 109955), (1230, 65973), (1845, 43982), (3690, 21991)]