80511444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2517

約数の個数: 72

約数和(自身を含む): 222348672

約数和(自身を除く): 141837228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2423, 2556, 2769, 3692, 4846, 5538, 7269, 8307, 9692, 11076, 14538, 16614, 21807, 29076, 31499, 33228, 43614, 62998, 87228, 94497, 125996, 172033, 188994, 283491, 344066, 377988, 516099, 566982, 688132, 1032198, 1133964, 1548297, 2064396, 2236429, 3096594, 4472858, 6193188, 6709287, 8945716, 13418574, 20127861, 26837148, 40255722, 80511444]

約数ペア:

[(1, 80511444), (2, 40255722), (3, 26837148), (4, 20127861), (6, 13418574), (9, 8945716), (12, 6709287), (13, 6193188), (18, 4472858), (26, 3096594), (36, 2236429), (39, 2064396), (52, 1548297), (71, 1133964), (78, 1032198), (117, 688132), (142, 566982), (156, 516099), (213, 377988), (234, 344066), (284, 283491), (426, 188994), (468, 172033), (639, 125996), (852, 94497), (923, 87228), (1278, 62998), (1846, 43614), (2423, 33228), (2556, 31499), (2769, 29076), (3692, 21807), (4846, 16614), (5538, 14538), (7269, 11076), (8307, 9692)]