28266180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7723}}^1$

素因数の和:7796

約数の個数: 48

約数和(自身を含む): 80453184

約数和(自身を除く): 52187004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7723, 15446, 23169, 30892, 38615, 46338, 77230, 92676, 115845, 154460, 231690, 463380, 471103, 942206, 1413309, 1884412, 2355515, 2826618, 4711030, 5653236, 7066545, 9422060, 14133090, 28266180]

約数ペア:

[(1, 28266180), (2, 14133090), (3, 9422060), (4, 7066545), (5, 5653236), (6, 4711030), (10, 2826618), (12, 2355515), (15, 1884412), (20, 1413309), (30, 942206), (60, 471103), (61, 463380), (122, 231690), (183, 154460), (244, 115845), (305, 92676), (366, 77230), (610, 46338), (732, 38615), (915, 30892), (1220, 23169), (1830, 15446), (3660, 7723)]