80125920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7977

約数の個数: 144

約数和(自身を含む): 312530400

約数和(自身を除く): 232404480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 7949, 10080, 15898, 23847, 31796, 39745, 47694, 55643, 63592, 71541, 79490, 95388, 111286, 119235, 127184, 143082, 158980, 166929, 190776, 222572, 238470, 254368, 278215, 286164, 317960, 333858, 357705, 381552, 445144, 476940, 500787, 556430, 572328, 635920, 667716, 715410, 763104, 834645, 890288, 953880, 1001574, 1112860, 1144656, 1271840, 1335432, 1430820, 1669290, 1780576, 1907760, 2003148, 2225720, 2289312, 2503935, 2670864, 2861640, 3338580, 3815520, 4006296, 4451440, 5007870, 5341728, 5723280, 6677160, 8012592, 8902880, 10015740, 11446560, 13354320, 16025184, 20031480, 26708640, 40062960, 80125920]

約数ペア:

[(1, 80125920), (2, 40062960), (3, 26708640), (4, 20031480), (5, 16025184), (6, 13354320), (7, 11446560), (8, 10015740), (9, 8902880), (10, 8012592), (12, 6677160), (14, 5723280), (15, 5341728), (16, 5007870), (18, 4451440), (20, 4006296), (21, 3815520), (24, 3338580), (28, 2861640), (30, 2670864), (32, 2503935), (35, 2289312), (36, 2225720), (40, 2003148), (42, 1907760), (45, 1780576), (48, 1669290), (56, 1430820), (60, 1335432), (63, 1271840), (70, 1144656), (72, 1112860), (80, 1001574), (84, 953880), (90, 890288), (96, 834645), (105, 763104), (112, 715410), (120, 667716), (126, 635920), (140, 572328), (144, 556430), (160, 500787), (168, 476940), (180, 445144), (210, 381552), (224, 357705), (240, 333858), (252, 317960), (280, 286164), (288, 278215), (315, 254368), (336, 238470), (360, 222572), (420, 190776), (480, 166929), (504, 158980), (560, 143082), (630, 127184), (672, 119235), (720, 111286), (840, 95388), (1008, 79490), (1120, 71541), (1260, 63592), (1440, 55643), (1680, 47694), (2016, 39745), (2520, 31796), (3360, 23847), (5040, 15898), (7949, 10080)]