161663780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 381024000

約数和(自身を除く): 219360220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 53, 76, 92, 95, 106, 115, 190, 212, 230, 265, 349, 380, 437, 460, 530, 698, 874, 1007, 1060, 1219, 1396, 1745, 1748, 2014, 2185, 2438, 3490, 4028, 4370, 4876, 5035, 6095, 6631, 6980, 8027, 8740, 10070, 12190, 13262, 16054, 18497, 20140, 23161, 24380, 26524, 32108, 33155, 36994, 40135, 46322, 66310, 73988, 80270, 92485, 92644, 115805, 132620, 152513, 160540, 184970, 231610, 305026, 351443, 369940, 425431, 463220, 610052, 702886, 762565, 850862, 1405772, 1525130, 1701724, 1757215, 2127155, 3050260, 3514430, 4254310, 7028860, 8083189, 8508620, 16166378, 32332756, 40415945, 80831890, 161663780]

約数ペア:

[(1, 161663780), (2, 80831890), (4, 40415945), (5, 32332756), (10, 16166378), (19, 8508620), (20, 8083189), (23, 7028860), (38, 4254310), (46, 3514430), (53, 3050260), (76, 2127155), (92, 1757215), (95, 1701724), (106, 1525130), (115, 1405772), (190, 850862), (212, 762565), (230, 702886), (265, 610052), (349, 463220), (380, 425431), (437, 369940), (460, 351443), (530, 305026), (698, 231610), (874, 184970), (1007, 160540), (1060, 152513), (1219, 132620), (1396, 115805), (1745, 92644), (1748, 92485), (2014, 80270), (2185, 73988), (2438, 66310), (3490, 46322), (4028, 40135), (4370, 36994), (4876, 33155), (5035, 32108), (6095, 26524), (6631, 24380), (6980, 23161), (8027, 20140), (8740, 18497), (10070, 16054), (12190, 13262)]