81577368

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 237902940

約数和(自身を除く): 156325572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 131, 162, 186, 216, 248, 262, 279, 324, 372, 393, 524, 558, 648, 744, 786, 837, 961, 1048, 1116, 1179, 1572, 1674, 1922, 2232, 2358, 2511, 2883, 3144, 3348, 3537, 3844, 4061, 4716, 5022, 5766, 6696, 7074, 7688, 8122, 8649, 9432, 10044, 10611, 11532, 12183, 14148, 16244, 17298, 20088, 21222, 23064, 24366, 25947, 28296, 32488, 34596, 36549, 42444, 48732, 51894, 69192, 73098, 77841, 84888, 97464, 103788, 109647, 125891, 146196, 155682, 207576, 219294, 251782, 292392, 311364, 328941, 377673, 438588, 503564, 622728, 657882, 755346, 877176, 1007128, 1133019, 1315764, 1510692, 2266038, 2631528, 3021384, 3399057, 4532076, 6798114, 9064152, 10197171, 13596228, 20394342, 27192456, 40788684, 81577368]

約数ペア:

[(1, 81577368), (2, 40788684), (3, 27192456), (4, 20394342), (6, 13596228), (8, 10197171), (9, 9064152), (12, 6798114), (18, 4532076), (24, 3399057), (27, 3021384), (31, 2631528), (36, 2266038), (54, 1510692), (62, 1315764), (72, 1133019), (81, 1007128), (93, 877176), (108, 755346), (124, 657882), (131, 622728), (162, 503564), (186, 438588), (216, 377673), (248, 328941), (262, 311364), (279, 292392), (324, 251782), (372, 219294), (393, 207576), (524, 155682), (558, 146196), (648, 125891), (744, 109647), (786, 103788), (837, 97464), (961, 84888), (1048, 77841), (1116, 73098), (1179, 69192), (1572, 51894), (1674, 48732), (1922, 42444), (2232, 36549), (2358, 34596), (2511, 32488), (2883, 28296), (3144, 25947), (3348, 24366), (3537, 23064), (3844, 21222), (4061, 20088), (4716, 17298), (5022, 16244), (5766, 14148), (6696, 12183), (7074, 11532), (7688, 10611), (8122, 10044), (8649, 9432)]