211388880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 700026624

約数和(自身を除く): 488637744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 197, 204, 240, 255, 263, 272, 340, 394, 408, 510, 526, 591, 680, 788, 789, 816, 985, 1020, 1052, 1182, 1315, 1360, 1576, 1578, 1970, 2040, 2104, 2364, 2630, 2955, 3152, 3156, 3349, 3940, 3945, 4080, 4208, 4471, 4728, 5260, 5910, 6312, 6698, 7880, 7890, 8942, 9456, 10047, 10520, 11820, 12624, 13396, 13413, 15760, 15780, 16745, 17884, 20094, 21040, 22355, 23640, 26792, 26826, 31560, 33490, 35768, 40188, 44710, 47280, 50235, 51811, 53584, 53652, 63120, 66980, 67065, 71536, 80376, 89420, 100470, 103622, 107304, 133960, 134130, 155433, 160752, 178840, 200940, 207244, 214608, 259055, 267920, 268260, 310866, 357680, 401880, 414488, 518110, 536520, 621732, 777165, 803760, 828976, 880787, 1036220, 1073040, 1243464, 1554330, 1761574, 2072440, 2486928, 2642361, 3108660, 3523148, 4144880, 4403935, 5284722, 6217320, 7046296, 8807870, 10569444, 12434640, 13211805, 14092592, 17615740, 21138888, 26423610, 35231480, 42277776, 52847220, 70462960, 105694440, 211388880]

約数ペア:

[(1, 211388880), (2, 105694440), (3, 70462960), (4, 52847220), (5, 42277776), (6, 35231480), (8, 26423610), (10, 21138888), (12, 17615740), (15, 14092592), (16, 13211805), (17, 12434640), (20, 10569444), (24, 8807870), (30, 7046296), (34, 6217320), (40, 5284722), (48, 4403935), (51, 4144880), (60, 3523148), (68, 3108660), (80, 2642361), (85, 2486928), (102, 2072440), (120, 1761574), (136, 1554330), (170, 1243464), (197, 1073040), (204, 1036220), (240, 880787), (255, 828976), (263, 803760), (272, 777165), (340, 621732), (394, 536520), (408, 518110), (510, 414488), (526, 401880), (591, 357680), (680, 310866), (788, 268260), (789, 267920), (816, 259055), (985, 214608), (1020, 207244), (1052, 200940), (1182, 178840), (1315, 160752), (1360, 155433), (1576, 134130), (1578, 133960), (1970, 107304), (2040, 103622), (2104, 100470), (2364, 89420), (2630, 80376), (2955, 71536), (3152, 67065), (3156, 66980), (3349, 63120), (3940, 53652), (3945, 53584), (4080, 51811), (4208, 50235), (4471, 47280), (4728, 44710), (5260, 40188), (5910, 35768), (6312, 33490), (6698, 31560), (7880, 26826), (7890, 26792), (8942, 23640), (9456, 22355), (10047, 21040), (10520, 20094), (11820, 17884), (12624, 16745), (13396, 15780), (13413, 15760)]