1640400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{1367}}^1$

素因数の和:1388

約数の個数: 60

約数和(自身を含む): 5258592

約数和(自身を除く): 3618192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 1367, 2734, 4101, 5468, 6835, 8202, 10936, 13670, 16404, 20505, 21872, 27340, 32808, 34175, 41010, 54680, 65616, 68350, 82020, 102525, 109360, 136700, 164040, 205050, 273400, 328080, 410100, 546800, 820200, 1640400]

約数ペア:

[(1, 1640400), (2, 820200), (3, 546800), (4, 410100), (5, 328080), (6, 273400), (8, 205050), (10, 164040), (12, 136700), (15, 109360), (16, 102525), (20, 82020), (24, 68350), (25, 65616), (30, 54680), (40, 41010), (48, 34175), (50, 32808), (60, 27340), (75, 21872), (80, 20505), (100, 16404), (120, 13670), (150, 10936), (200, 8202), (240, 6835), (300, 5468), (400, 4101), (600, 2734), (1200, 1367)]