320400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{89}}^1$

素因数の和:113

約数の個数: 90

約数和(自身を含む): 1124370

約数和(自身を除く): 803970

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 100, 120, 144, 150, 178, 180, 200, 225, 240, 267, 300, 356, 360, 400, 445, 450, 534, 600, 712, 720, 801, 890, 900, 1068, 1200, 1335, 1424, 1602, 1780, 1800, 2136, 2225, 2670, 3204, 3560, 3600, 4005, 4272, 4450, 5340, 6408, 6675, 7120, 8010, 8900, 10680, 12816, 13350, 16020, 17800, 20025, 21360, 26700, 32040, 35600, 40050, 53400, 64080, 80100, 106800, 160200, 320400]

約数ペア:

[(1, 320400), (2, 160200), (3, 106800), (4, 80100), (5, 64080), (6, 53400), (8, 40050), (9, 35600), (10, 32040), (12, 26700), (15, 21360), (16, 20025), (18, 17800), (20, 16020), (24, 13350), (25, 12816), (30, 10680), (36, 8900), (40, 8010), (45, 7120), (48, 6675), (50, 6408), (60, 5340), (72, 4450), (75, 4272), (80, 4005), (89, 3600), (90, 3560), (100, 3204), (120, 2670), (144, 2225), (150, 2136), (178, 1800), (180, 1780), (200, 1602), (225, 1424), (240, 1335), (267, 1200), (300, 1068), (356, 900), (360, 890), (400, 801), (445, 720), (450, 712), (534, 600)]