2045580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 5800704

約数和(自身を除く): 3755124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 331, 412, 515, 618, 662, 993, 1030, 1236, 1324, 1545, 1655, 1986, 2060, 3090, 3310, 3972, 4965, 6180, 6620, 9930, 19860, 34093, 68186, 102279, 136372, 170465, 204558, 340930, 409116, 511395, 681860, 1022790, 2045580]

約数ペア:

[(1, 2045580), (2, 1022790), (3, 681860), (4, 511395), (5, 409116), (6, 340930), (10, 204558), (12, 170465), (15, 136372), (20, 102279), (30, 68186), (60, 34093), (103, 19860), (206, 9930), (309, 6620), (331, 6180), (412, 4965), (515, 3972), (618, 3310), (662, 3090), (993, 2060), (1030, 1986), (1236, 1655), (1324, 1545)]