80436540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2053}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 225677088

約数和(自身を除く): 145240548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 653, 1306, 1959, 2053, 2612, 3265, 3918, 4106, 6159, 6530, 7836, 8212, 9795, 10265, 12318, 13060, 19590, 20530, 24636, 30795, 39180, 41060, 61590, 123180, 1340609, 2681218, 4021827, 5362436, 6703045, 8043654, 13406090, 16087308, 20109135, 26812180, 40218270, 80436540]

約数ペア:

[(1, 80436540), (2, 40218270), (3, 26812180), (4, 20109135), (5, 16087308), (6, 13406090), (10, 8043654), (12, 6703045), (15, 5362436), (20, 4021827), (30, 2681218), (60, 1340609), (653, 123180), (1306, 61590), (1959, 41060), (2053, 39180), (2612, 30795), (3265, 24636), (3918, 20530), (4106, 19590), (6159, 13060), (6530, 12318), (7836, 10265), (8212, 9795)]