181508940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2297}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 552071520

約数和(自身を除く): 370562580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2297, 2634, 3951, 4390, 4594, 5268, 6585, 6891, 7902, 8780, 9188, 11485, 13170, 13782, 15804, 19755, 20673, 22970, 26340, 27564, 34455, 39510, 41346, 45940, 68910, 79020, 82692, 103365, 137820, 206730, 413460, 1008383, 2016766, 3025149, 4033532, 5041915, 6050298, 9075447, 10083830, 12100596, 15125745, 18150894, 20167660, 30251490, 36301788, 45377235, 60502980, 90754470, 181508940]

約数ペア:

[(1, 181508940), (2, 90754470), (3, 60502980), (4, 45377235), (5, 36301788), (6, 30251490), (9, 20167660), (10, 18150894), (12, 15125745), (15, 12100596), (18, 10083830), (20, 9075447), (30, 6050298), (36, 5041915), (45, 4033532), (60, 3025149), (90, 2016766), (180, 1008383), (439, 413460), (878, 206730), (1317, 137820), (1756, 103365), (2195, 82692), (2297, 79020), (2634, 68910), (3951, 45940), (4390, 41346), (4594, 39510), (5268, 34455), (6585, 27564), (6891, 26340), (7902, 22970), (8780, 20673), (9188, 19755), (11485, 15804), (13170, 13782)]