68400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1$

素因数の和:43

約数の個数: 90

約数和(自身を含む): 249860

約数和(自身を除く): 181460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 450, 456, 475, 570, 600, 684, 720, 760, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1520, 1710, 1800, 1900, 2280, 2736, 2850, 3420, 3600, 3800, 4275, 4560, 5700, 6840, 7600, 8550, 11400, 13680, 17100, 22800, 34200, 68400]

約数ペア:

[(1, 68400), (2, 34200), (3, 22800), (4, 17100), (5, 13680), (6, 11400), (8, 8550), (9, 7600), (10, 6840), (12, 5700), (15, 4560), (16, 4275), (18, 3800), (19, 3600), (20, 3420), (24, 2850), (25, 2736), (30, 2280), (36, 1900), (38, 1800), (40, 1710), (45, 1520), (48, 1425), (50, 1368), (57, 1200), (60, 1140), (72, 950), (75, 912), (76, 900), (80, 855), (90, 760), (95, 720), (100, 684), (114, 600), (120, 570), (144, 475), (150, 456), (152, 450), (171, 400), (180, 380), (190, 360), (200, 342), (225, 304), (228, 300), (240, 285)]