239550840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{665419}}^1$

素因数の和:665436

約数の個数: 48

約数和(自身を含む): 778541400

約数和(自身を除く): 538990560

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, 665419, 1330838, 1996257, 2661676, 3327095, 3992514, 5323352, 5988771, 6654190, 7985028, 9981285, 11977542, 13308380, 15970056, 19962570, 23955084, 26616760, 29943855, 39925140, 47910168, 59887710, 79850280, 119775420, 239550840]

約数ペア:

[(1, 239550840), (2, 119775420), (3, 79850280), (4, 59887710), (5, 47910168), (6, 39925140), (8, 29943855), (9, 26616760), (10, 23955084), (12, 19962570), (15, 15970056), (18, 13308380), (20, 11977542), (24, 9981285), (30, 7985028), (36, 6654190), (40, 5988771), (45, 5323352), (60, 3992514), (72, 3327095), (90, 2661676), (120, 1996257), (180, 1330838), (360, 665419)]