208345680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289369}}^1$

素因数の和:289388

約数の個数: 60

約数和(自身を含む): 699696660

約数和(自身を除く): 491350980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289369, 578738, 868107, 1157476, 1446845, 1736214, 2314952, 2604321, 2893690, 3472428, 4340535, 4629904, 5208642, 5787380, 6944856, 8681070, 10417284, 11574760, 13021605, 13889712, 17362140, 20834568, 23149520, 26043210, 34724280, 41669136, 52086420, 69448560, 104172840, 208345680]

約数ペア:

[(1, 208345680), (2, 104172840), (3, 69448560), (4, 52086420), (5, 41669136), (6, 34724280), (8, 26043210), (9, 23149520), (10, 20834568), (12, 17362140), (15, 13889712), (16, 13021605), (18, 11574760), (20, 10417284), (24, 8681070), (30, 6944856), (36, 5787380), (40, 5208642), (45, 4629904), (48, 4340535), (60, 3472428), (72, 2893690), (80, 2604321), (90, 2314952), (120, 1736214), (144, 1446845), (180, 1157476), (240, 868107), (360, 578738), (720, 289369)]