19713360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82139}}^1$

素因数の和:82155

約数の個数: 40

約数和(自身を含む): 61112160

約数和(自身を除く): 41398800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82139, 164278, 246417, 328556, 410695, 492834, 657112, 821390, 985668, 1232085, 1314224, 1642780, 1971336, 2464170, 3285560, 3942672, 4928340, 6571120, 9856680, 19713360]

約数ペア:

[(1, 19713360), (2, 9856680), (3, 6571120), (4, 4928340), (5, 3942672), (6, 3285560), (8, 2464170), (10, 1971336), (12, 1642780), (15, 1314224), (16, 1232085), (20, 985668), (24, 821390), (30, 657112), (40, 492834), (48, 410695), (60, 328556), (80, 246417), (120, 164278), (240, 82139)]