81784944

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 120

約数和(自身を含む): 243801360

約数和(自身を除く): 162016416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 197, 216, 248, 279, 372, 394, 432, 496, 558, 591, 744, 788, 837, 961, 1116, 1182, 1488, 1576, 1674, 1773, 1922, 2232, 2364, 2883, 3152, 3348, 3546, 3844, 4464, 4728, 5319, 5766, 6107, 6696, 7092, 7688, 8649, 9456, 10638, 11532, 12214, 13392, 14184, 15376, 17298, 18321, 21276, 23064, 24428, 25947, 28368, 34596, 36642, 42552, 46128, 48856, 51894, 54963, 69192, 73284, 85104, 97712, 103788, 109926, 138384, 146568, 164889, 189317, 207576, 219852, 293136, 329778, 378634, 415152, 439704, 567951, 659556, 757268, 879408, 1135902, 1319112, 1514536, 1703853, 2271804, 2638224, 3029072, 3407706, 4543608, 5111559, 6815412, 9087216, 10223118, 13630824, 20446236, 27261648, 40892472, 81784944]

約数ペア:

[(1, 81784944), (2, 40892472), (3, 27261648), (4, 20446236), (6, 13630824), (8, 10223118), (9, 9087216), (12, 6815412), (16, 5111559), (18, 4543608), (24, 3407706), (27, 3029072), (31, 2638224), (36, 2271804), (48, 1703853), (54, 1514536), (62, 1319112), (72, 1135902), (93, 879408), (108, 757268), (124, 659556), (144, 567951), (186, 439704), (197, 415152), (216, 378634), (248, 329778), (279, 293136), (372, 219852), (394, 207576), (432, 189317), (496, 164889), (558, 146568), (591, 138384), (744, 109926), (788, 103788), (837, 97712), (961, 85104), (1116, 73284), (1182, 69192), (1488, 54963), (1576, 51894), (1674, 48856), (1773, 46128), (1922, 42552), (2232, 36642), (2364, 34596), (2883, 28368), (3152, 25947), (3348, 24428), (3546, 23064), (3844, 21276), (4464, 18321), (4728, 17298), (5319, 15376), (5766, 14184), (6107, 13392), (6696, 12214), (7092, 11532), (7688, 10638), (8649, 9456)]