81128340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10993}}^1$

素因数の和:11049

約数の個数: 72

約数和(自身を含む): 252114408

約数和(自身を除く): 170986068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 10993, 21986, 32979, 43972, 54965, 65958, 98937, 109930, 131916, 164895, 197874, 219860, 329790, 395748, 450713, 494685, 659580, 901426, 989370, 1352139, 1802852, 1978740, 2253565, 2704278, 4056417, 4507130, 5408556, 6760695, 8112834, 9014260, 13521390, 16225668, 20282085, 27042780, 40564170, 81128340]

約数ペア:

[(1, 81128340), (2, 40564170), (3, 27042780), (4, 20282085), (5, 16225668), (6, 13521390), (9, 9014260), (10, 8112834), (12, 6760695), (15, 5408556), (18, 4507130), (20, 4056417), (30, 2704278), (36, 2253565), (41, 1978740), (45, 1802852), (60, 1352139), (82, 989370), (90, 901426), (123, 659580), (164, 494685), (180, 450713), (205, 395748), (246, 329790), (369, 219860), (410, 197874), (492, 164895), (615, 131916), (738, 109930), (820, 98937), (1230, 65958), (1476, 54965), (1845, 43972), (2460, 32979), (3690, 21986), (7380, 10993)]