80557920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1365

約数の個数: 144

約数和(自身を含む): 281513232

約数和(自身を除く): 200955312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1301, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 2602, 3096, 3440, 3870, 3903, 4128, 5160, 5204, 6192, 6505, 6880, 7740, 7806, 10320, 10408, 11709, 12384, 13010, 15480, 15612, 19515, 20640, 20816, 23418, 26020, 30960, 31224, 39030, 41632, 46836, 52040, 55943, 58545, 61920, 62448, 78060, 93672, 104080, 111886, 117090, 124896, 156120, 167829, 187344, 208160, 223772, 234180, 279715, 312240, 335658, 374688, 447544, 468360, 503487, 559430, 624480, 671316, 839145, 895088, 936720, 1006974, 1118860, 1342632, 1678290, 1790176, 1873440, 2013948, 2237720, 2517435, 2685264, 3356580, 4027896, 4475440, 5034870, 5370528, 6713160, 8055792, 8950880, 10069740, 13426320, 16111584, 20139480, 26852640, 40278960, 80557920]

約数ペア:

[(1, 80557920), (2, 40278960), (3, 26852640), (4, 20139480), (5, 16111584), (6, 13426320), (8, 10069740), (9, 8950880), (10, 8055792), (12, 6713160), (15, 5370528), (16, 5034870), (18, 4475440), (20, 4027896), (24, 3356580), (30, 2685264), (32, 2517435), (36, 2237720), (40, 2013948), (43, 1873440), (45, 1790176), (48, 1678290), (60, 1342632), (72, 1118860), (80, 1006974), (86, 936720), (90, 895088), (96, 839145), (120, 671316), (129, 624480), (144, 559430), (160, 503487), (172, 468360), (180, 447544), (215, 374688), (240, 335658), (258, 312240), (288, 279715), (344, 234180), (360, 223772), (387, 208160), (430, 187344), (480, 167829), (516, 156120), (645, 124896), (688, 117090), (720, 111886), (774, 104080), (860, 93672), (1032, 78060), (1290, 62448), (1301, 61920), (1376, 58545), (1440, 55943), (1548, 52040), (1720, 46836), (1935, 41632), (2064, 39030), (2580, 31224), (2602, 30960), (3096, 26020), (3440, 23418), (3870, 20816), (3903, 20640), (4128, 19515), (5160, 15612), (5204, 15480), (6192, 13010), (6505, 12384), (6880, 11709), (7740, 10408), (7806, 10320)]