1981504080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{917363}}^1$

素因数の和:917385

約数の個数: 80

約数和(自身を含む): 6825188160

約数和(自身を除く): 4843684080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 917363, 1834726, 2752089, 3669452, 4586815, 5504178, 7338904, 8256267, 9173630, 11008356, 13760445, 14677808, 16512534, 18347260, 22016712, 24768801, 27520890, 33025068, 36694520, 41281335, 44033424, 49537602, 55041780, 66050136, 73389040, 82562670, 99075204, 110083560, 123844005, 132100272, 165125340, 198150408, 220167120, 247688010, 330250680, 396300816, 495376020, 660501360, 990752040, 1981504080]

約数ペア:

[(1, 1981504080), (2, 990752040), (3, 660501360), (4, 495376020), (5, 396300816), (6, 330250680), (8, 247688010), (9, 220167120), (10, 198150408), (12, 165125340), (15, 132100272), (16, 123844005), (18, 110083560), (20, 99075204), (24, 82562670), (27, 73389040), (30, 66050136), (36, 55041780), (40, 49537602), (45, 44033424), (48, 41281335), (54, 36694520), (60, 33025068), (72, 27520890), (80, 24768801), (90, 22016712), (108, 18347260), (120, 16512534), (135, 14677808), (144, 13760445), (180, 11008356), (216, 9173630), (240, 8256267), (270, 7338904), (360, 5504178), (432, 4586815), (540, 3669452), (720, 2752089), (1080, 1834726), (2160, 917363)]