81945648

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 160

約数和(自身を含む): 252364800

約数和(自身を除く): 170419152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 31, 36, 48, 54, 58, 62, 72, 87, 93, 108, 116, 124, 144, 174, 186, 211, 216, 232, 248, 261, 279, 348, 372, 422, 432, 464, 496, 522, 558, 633, 696, 744, 783, 837, 844, 899, 1044, 1116, 1266, 1392, 1488, 1566, 1674, 1688, 1798, 1899, 2088, 2232, 2532, 2697, 3132, 3348, 3376, 3596, 3798, 4176, 4464, 5064, 5394, 5697, 6119, 6264, 6541, 6696, 7192, 7596, 8091, 10128, 10788, 11394, 12238, 12528, 13082, 13392, 14384, 15192, 16182, 18357, 19623, 21576, 22788, 24273, 24476, 26164, 30384, 32364, 36714, 39246, 43152, 45576, 48546, 48952, 52328, 55071, 58869, 64728, 73428, 78492, 91152, 97092, 97904, 104656, 110142, 117738, 129456, 146856, 156984, 165213, 176607, 189689, 194184, 220284, 235476, 293712, 313968, 330426, 353214, 379378, 388368, 440568, 470952, 569067, 660852, 706428, 758756, 881136, 941904, 1138134, 1321704, 1412856, 1517512, 1707201, 2276268, 2643408, 2825712, 3035024, 3414402, 4552536, 5121603, 6828804, 9105072, 10243206, 13657608, 20486412, 27315216, 40972824, 81945648]

約数ペア:

[(1, 81945648), (2, 40972824), (3, 27315216), (4, 20486412), (6, 13657608), (8, 10243206), (9, 9105072), (12, 6828804), (16, 5121603), (18, 4552536), (24, 3414402), (27, 3035024), (29, 2825712), (31, 2643408), (36, 2276268), (48, 1707201), (54, 1517512), (58, 1412856), (62, 1321704), (72, 1138134), (87, 941904), (93, 881136), (108, 758756), (116, 706428), (124, 660852), (144, 569067), (174, 470952), (186, 440568), (211, 388368), (216, 379378), (232, 353214), (248, 330426), (261, 313968), (279, 293712), (348, 235476), (372, 220284), (422, 194184), (432, 189689), (464, 176607), (496, 165213), (522, 156984), (558, 146856), (633, 129456), (696, 117738), (744, 110142), (783, 104656), (837, 97904), (844, 97092), (899, 91152), (1044, 78492), (1116, 73428), (1266, 64728), (1392, 58869), (1488, 55071), (1566, 52328), (1674, 48952), (1688, 48546), (1798, 45576), (1899, 43152), (2088, 39246), (2232, 36714), (2532, 32364), (2697, 30384), (3132, 26164), (3348, 24476), (3376, 24273), (3596, 22788), (3798, 21576), (4176, 19623), (4464, 18357), (5064, 16182), (5394, 15192), (5697, 14384), (6119, 13392), (6264, 13082), (6541, 12528), (6696, 12238), (7192, 11394), (7596, 10788), (8091, 10128)]