321120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{223}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 1100736

約数和(自身を除く): 779616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 223, 240, 288, 360, 446, 480, 669, 720, 892, 1115, 1338, 1440, 1784, 2007, 2230, 2676, 3345, 3568, 4014, 4460, 5352, 6690, 7136, 8028, 8920, 10035, 10704, 13380, 16056, 17840, 20070, 21408, 26760, 32112, 35680, 40140, 53520, 64224, 80280, 107040, 160560, 321120]

約数ペア:

[(1, 321120), (2, 160560), (3, 107040), (4, 80280), (5, 64224), (6, 53520), (8, 40140), (9, 35680), (10, 32112), (12, 26760), (15, 21408), (16, 20070), (18, 17840), (20, 16056), (24, 13380), (30, 10704), (32, 10035), (36, 8920), (40, 8028), (45, 7136), (48, 6690), (60, 5352), (72, 4460), (80, 4014), (90, 3568), (96, 3345), (120, 2676), (144, 2230), (160, 2007), (180, 1784), (223, 1440), (240, 1338), (288, 1115), (360, 892), (446, 720), (480, 669)]