19980084240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9250039}}^1$

素因数の和:9250061

約数の個数: 80

約数和(自身を含む): 68820297600

約数和(自身を除く): 48840213360

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, 9250039, 18500078, 27750117, 37000156, 46250195, 55500234, 74000312, 83250351, 92500390, 111000468, 138750585, 148000624, 166500702, 185000780, 222000936, 249751053, 277501170, 333001404, 370001560, 416251755, 444001872, 499502106, 555002340, 666002808, 740003120, 832503510, 999004212, 1110004680, 1248755265, 1332005616, 1665007020, 1998008424, 2220009360, 2497510530, 3330014040, 3996016848, 4995021060, 6660028080, 9990042120, 19980084240]

約数ペア:

[(1, 19980084240), (2, 9990042120), (3, 6660028080), (4, 4995021060), (5, 3996016848), (6, 3330014040), (8, 2497510530), (9, 2220009360), (10, 1998008424), (12, 1665007020), (15, 1332005616), (16, 1248755265), (18, 1110004680), (20, 999004212), (24, 832503510), (27, 740003120), (30, 666002808), (36, 555002340), (40, 499502106), (45, 444001872), (48, 416251755), (54, 370001560), (60, 333001404), (72, 277501170), (80, 249751053), (90, 222000936), (108, 185000780), (120, 166500702), (135, 148000624), (144, 138750585), (180, 111000468), (216, 92500390), (240, 83250351), (270, 74000312), (360, 55500234), (432, 46250195), (540, 37000156), (720, 27750117), (1080, 18500078), (2160, 9250039)]