81297432

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 229996800

約数和(自身を除く): 148699368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 324, 327, 436, 648, 654, 872, 981, 1151, 1308, 1962, 2302, 2616, 2943, 3453, 3924, 4604, 5886, 6906, 7848, 8829, 9208, 10359, 11772, 13812, 17658, 20718, 23544, 27624, 31077, 35316, 41436, 62154, 70632, 82872, 93231, 124308, 125459, 186462, 248616, 250918, 372924, 376377, 501836, 745848, 752754, 1003672, 1129131, 1505508, 2258262, 3011016, 3387393, 4516524, 6774786, 9033048, 10162179, 13549572, 20324358, 27099144, 40648716, 81297432]

約数ペア:

[(1, 81297432), (2, 40648716), (3, 27099144), (4, 20324358), (6, 13549572), (8, 10162179), (9, 9033048), (12, 6774786), (18, 4516524), (24, 3387393), (27, 3011016), (36, 2258262), (54, 1505508), (72, 1129131), (81, 1003672), (108, 752754), (109, 745848), (162, 501836), (216, 376377), (218, 372924), (324, 250918), (327, 248616), (436, 186462), (648, 125459), (654, 124308), (872, 93231), (981, 82872), (1151, 70632), (1308, 62154), (1962, 41436), (2302, 35316), (2616, 31077), (2943, 27624), (3453, 23544), (3924, 20718), (4604, 17658), (5886, 13812), (6906, 11772), (7848, 10359), (8829, 9208)]