16039980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8101}}^1$

素因数の和:8127

約数の個数: 72

約数和(自身を含む): 53084304

約数和(自身を除く): 37044324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8101, 16202, 24303, 32404, 40505, 48606, 72909, 81010, 89111, 97212, 121515, 145818, 162020, 178222, 243030, 267333, 291636, 356444, 364545, 445555, 486060, 534666, 729090, 801999, 891110, 1069332, 1336665, 1458180, 1603998, 1782220, 2673330, 3207996, 4009995, 5346660, 8019990, 16039980]

約数ペア:

[(1, 16039980), (2, 8019990), (3, 5346660), (4, 4009995), (5, 3207996), (6, 2673330), (9, 1782220), (10, 1603998), (11, 1458180), (12, 1336665), (15, 1069332), (18, 891110), (20, 801999), (22, 729090), (30, 534666), (33, 486060), (36, 445555), (44, 364545), (45, 356444), (55, 291636), (60, 267333), (66, 243030), (90, 178222), (99, 162020), (110, 145818), (132, 121515), (165, 97212), (180, 89111), (198, 81010), (220, 72909), (330, 48606), (396, 40505), (495, 32404), (660, 24303), (990, 16202), (1980, 8101)]