290721240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{807559}}^1$

素因数の和:807576

約数の個数: 48

約数和(自身を含む): 944845200

約数和(自身を除く): 654123960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 807559, 1615118, 2422677, 3230236, 4037795, 4845354, 6460472, 7268031, 8075590, 9690708, 12113385, 14536062, 16151180, 19381416, 24226770, 29072124, 32302360, 36340155, 48453540, 58144248, 72680310, 96907080, 145360620, 290721240]

約数ペア:

[(1, 290721240), (2, 145360620), (3, 96907080), (4, 72680310), (5, 58144248), (6, 48453540), (8, 36340155), (9, 32302360), (10, 29072124), (12, 24226770), (15, 19381416), (18, 16151180), (20, 14536062), (24, 12113385), (30, 9690708), (36, 8075590), (40, 7268031), (45, 6460472), (60, 4845354), (72, 4037795), (90, 3230236), (120, 2422677), (180, 1615118), (360, 807559)]