81267552

素因数分解:

$2^5\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1559}}^1$

素因数の和:1756

約数の個数: 72

約数和(自身を含む): 232530480

約数和(自身を除く): 151262928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 181, 288, 362, 543, 724, 1086, 1448, 1559, 1629, 2172, 2896, 3118, 3258, 4344, 4677, 5792, 6236, 6516, 8688, 9354, 12472, 13032, 14031, 17376, 18708, 24944, 26064, 28062, 37416, 49888, 52128, 56124, 74832, 112248, 149664, 224496, 282179, 448992, 564358, 846537, 1128716, 1693074, 2257432, 2539611, 3386148, 4514864, 5079222, 6772296, 9029728, 10158444, 13544592, 20316888, 27089184, 40633776, 81267552]

約数ペア:

[(1, 81267552), (2, 40633776), (3, 27089184), (4, 20316888), (6, 13544592), (8, 10158444), (9, 9029728), (12, 6772296), (16, 5079222), (18, 4514864), (24, 3386148), (32, 2539611), (36, 2257432), (48, 1693074), (72, 1128716), (96, 846537), (144, 564358), (181, 448992), (288, 282179), (362, 224496), (543, 149664), (724, 112248), (1086, 74832), (1448, 56124), (1559, 52128), (1629, 49888), (2172, 37416), (2896, 28062), (3118, 26064), (3258, 24944), (4344, 18708), (4677, 17376), (5792, 14031), (6236, 13032), (6516, 12472), (8688, 9354)]