18997346640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{315361}}^1$

素因数の和:315628

約数の個数: 80

約数和(自身を含む): 59126590656

約数和(自身を除く): 40129244016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 10040, 12048, 15060, 20080, 30120, 60240, 315361, 630722, 946083, 1261444, 1576805, 1892166, 2522888, 3153610, 3784332, 4730415, 5045776, 6307220, 7568664, 9460830, 12614440, 15137328, 18921660, 25228880, 37843320, 75686640, 79155611, 158311222, 237466833, 316622444, 395778055, 474933666, 633244888, 791556110, 949867332, 1187334165, 1266489776, 1583112220, 1899734664, 2374668330, 3166224440, 3799469328, 4749336660, 6332448880, 9498673320, 18997346640]

約数ペア:

[(1, 18997346640), (2, 9498673320), (3, 6332448880), (4, 4749336660), (5, 3799469328), (6, 3166224440), (8, 2374668330), (10, 1899734664), (12, 1583112220), (15, 1266489776), (16, 1187334165), (20, 949867332), (24, 791556110), (30, 633244888), (40, 474933666), (48, 395778055), (60, 316622444), (80, 237466833), (120, 158311222), (240, 79155611), (251, 75686640), (502, 37843320), (753, 25228880), (1004, 18921660), (1255, 15137328), (1506, 12614440), (2008, 9460830), (2510, 7568664), (3012, 6307220), (3765, 5045776), (4016, 4730415), (5020, 3784332), (6024, 3153610), (7530, 2522888), (10040, 1892166), (12048, 1576805), (15060, 1261444), (20080, 946083), (30120, 630722), (60240, 315361)]