720721872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{385001}}^1$

素因数の和:385028

約数の個数: 60

約数和(自身を含む): 2172181284

約数和(自身を除く): 1451459412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 385001, 770002, 1155003, 1540004, 2310006, 3080008, 3465009, 4620012, 5005013, 6160016, 6930018, 9240024, 10010026, 13860036, 15015039, 18480048, 20020052, 27720072, 30030078, 40040104, 45045117, 55440144, 60060156, 80080208, 90090234, 120120312, 180180468, 240240624, 360360936, 720721872]

約数ペア:

[(1, 720721872), (2, 360360936), (3, 240240624), (4, 180180468), (6, 120120312), (8, 90090234), (9, 80080208), (12, 60060156), (13, 55440144), (16, 45045117), (18, 40040104), (24, 30030078), (26, 27720072), (36, 20020052), (39, 18480048), (48, 15015039), (52, 13860036), (72, 10010026), (78, 9240024), (104, 6930018), (117, 6160016), (144, 5005013), (156, 4620012), (208, 3465009), (234, 3080008), (312, 2310006), (468, 1540004), (624, 1155003), (936, 770002), (1872, 385001)]