68736980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{571}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 156059904

約数和(自身を除く): 87322924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 571, 926, 1142, 1852, 2284, 2315, 2855, 4630, 5710, 6019, 7423, 9260, 11420, 12038, 14846, 24076, 29692, 30095, 37115, 60190, 74230, 120380, 148460, 264373, 528746, 1057492, 1321865, 2643730, 3436849, 5287460, 6873698, 13747396, 17184245, 34368490, 68736980]

約数ペア:

[(1, 68736980), (2, 34368490), (4, 17184245), (5, 13747396), (10, 6873698), (13, 5287460), (20, 3436849), (26, 2643730), (52, 1321865), (65, 1057492), (130, 528746), (260, 264373), (463, 148460), (571, 120380), (926, 74230), (1142, 60190), (1852, 37115), (2284, 30095), (2315, 29692), (2855, 24076), (4630, 14846), (5710, 12038), (6019, 11420), (7423, 9260)]