1988580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 6386688

約数和(自身を除く): 4398108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 131, 132, 138, 165, 220, 230, 253, 262, 276, 330, 345, 393, 460, 506, 524, 655, 660, 690, 759, 786, 1012, 1265, 1310, 1380, 1441, 1518, 1572, 1965, 2530, 2620, 2882, 3013, 3036, 3795, 3930, 4323, 5060, 5764, 6026, 7205, 7590, 7860, 8646, 9039, 12052, 14410, 15065, 15180, 17292, 18078, 21615, 28820, 30130, 33143, 36156, 43230, 45195, 60260, 66286, 86460, 90390, 99429, 132572, 165715, 180780, 198858, 331430, 397716, 497145, 662860, 994290, 1988580]

約数ペア:

[(1, 1988580), (2, 994290), (3, 662860), (4, 497145), (5, 397716), (6, 331430), (10, 198858), (11, 180780), (12, 165715), (15, 132572), (20, 99429), (22, 90390), (23, 86460), (30, 66286), (33, 60260), (44, 45195), (46, 43230), (55, 36156), (60, 33143), (66, 30130), (69, 28820), (92, 21615), (110, 18078), (115, 17292), (131, 15180), (132, 15065), (138, 14410), (165, 12052), (220, 9039), (230, 8646), (253, 7860), (262, 7590), (276, 7205), (330, 6026), (345, 5764), (393, 5060), (460, 4323), (506, 3930), (524, 3795), (655, 3036), (660, 3013), (690, 2882), (759, 2620), (786, 2530), (1012, 1965), (1265, 1572), (1310, 1518), (1380, 1441)]