81435888

素因数分解:

$2^4\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1587

約数の個数: 80

約数和(自身を含む): 235699200

約数和(自身を除く): 154263312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 131, 144, 216, 262, 393, 432, 524, 786, 1048, 1179, 1439, 1572, 2096, 2358, 2878, 3144, 3537, 4317, 4716, 5756, 6288, 7074, 8634, 9432, 11512, 12951, 14148, 17268, 18864, 23024, 25902, 28296, 34536, 38853, 51804, 56592, 69072, 77706, 103608, 155412, 188509, 207216, 310824, 377018, 565527, 621648, 754036, 1131054, 1508072, 1696581, 2262108, 3016144, 3393162, 4524216, 5089743, 6786324, 9048432, 10179486, 13572648, 20358972, 27145296, 40717944, 81435888]

約数ペア:

[(1, 81435888), (2, 40717944), (3, 27145296), (4, 20358972), (6, 13572648), (8, 10179486), (9, 9048432), (12, 6786324), (16, 5089743), (18, 4524216), (24, 3393162), (27, 3016144), (36, 2262108), (48, 1696581), (54, 1508072), (72, 1131054), (108, 754036), (131, 621648), (144, 565527), (216, 377018), (262, 310824), (393, 207216), (432, 188509), (524, 155412), (786, 103608), (1048, 77706), (1179, 69072), (1439, 56592), (1572, 51804), (2096, 38853), (2358, 34536), (2878, 28296), (3144, 25902), (3537, 23024), (4317, 18864), (4716, 17268), (5756, 14148), (6288, 12951), (7074, 11512), (8634, 9432)]