2122980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 6096384

約数和(自身を除く): 3973404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 863, 1230, 1726, 2460, 2589, 3452, 4315, 5178, 8630, 10356, 12945, 17260, 25890, 35383, 51780, 70766, 106149, 141532, 176915, 212298, 353830, 424596, 530745, 707660, 1061490, 2122980]

約数ペア:

[(1, 2122980), (2, 1061490), (3, 707660), (4, 530745), (5, 424596), (6, 353830), (10, 212298), (12, 176915), (15, 141532), (20, 106149), (30, 70766), (41, 51780), (60, 35383), (82, 25890), (123, 17260), (164, 12945), (205, 10356), (246, 8630), (410, 5178), (492, 4315), (615, 3452), (820, 2589), (863, 2460), (1230, 1726)]