221714640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43991}}^1$

素因数の和:44017

約数の個数: 120

約数和(自身を含む): 850981248

約数和(自身を除く): 629266608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43991, 87982, 131973, 175964, 219955, 263946, 307937, 351928, 395919, 439910, 527892, 615874, 659865, 703856, 791838, 879820, 923811, 1055784, 1231748, 1319730, 1539685, 1583676, 1759640, 1847622, 1979595, 2111568, 2463496, 2639460, 2771433, 3079370, 3167352, 3519280, 3695244, 3959190, 4619055, 4926992, 5278920, 5542866, 6158740, 6334704, 7390488, 7918380, 9238110, 10557840, 11085732, 12317480, 13857165, 14780976, 15836760, 18476220, 22171464, 24634960, 27714330, 31673520, 36952440, 44342928, 55428660, 73904880, 110857320, 221714640]

約数ペア:

[(1, 221714640), (2, 110857320), (3, 73904880), (4, 55428660), (5, 44342928), (6, 36952440), (7, 31673520), (8, 27714330), (9, 24634960), (10, 22171464), (12, 18476220), (14, 15836760), (15, 14780976), (16, 13857165), (18, 12317480), (20, 11085732), (21, 10557840), (24, 9238110), (28, 7918380), (30, 7390488), (35, 6334704), (36, 6158740), (40, 5542866), (42, 5278920), (45, 4926992), (48, 4619055), (56, 3959190), (60, 3695244), (63, 3519280), (70, 3167352), (72, 3079370), (80, 2771433), (84, 2639460), (90, 2463496), (105, 2111568), (112, 1979595), (120, 1847622), (126, 1759640), (140, 1583676), (144, 1539685), (168, 1319730), (180, 1231748), (210, 1055784), (240, 923811), (252, 879820), (280, 791838), (315, 703856), (336, 659865), (360, 615874), (420, 527892), (504, 439910), (560, 395919), (630, 351928), (720, 307937), (840, 263946), (1008, 219955), (1260, 175964), (1680, 131973), (2520, 87982), (5040, 43991)]