1964455920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{389773}}^1$

素因数の和:389799

約数の個数: 120

約数和(自身を含む): 7539788256

約数和(自身を除く): 5575332336

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, 389773, 779546, 1169319, 1559092, 1948865, 2338638, 2728411, 3118184, 3507957, 3897730, 4677276, 5456822, 5846595, 6236368, 7015914, 7795460, 8185233, 9354552, 10913644, 11693190, 13642055, 14031828, 15590920, 16370466, 17539785, 18709104, 21827288, 23386380, 24555699, 27284110, 28063656, 31181840, 32740932, 35079570, 40926165, 43654576, 46772760, 49111398, 54568220, 56127312, 65481864, 70159140, 81852330, 93545520, 98222796, 109136440, 122778495, 130963728, 140318280, 163704660, 196445592, 218272880, 245556990, 280636560, 327409320, 392891184, 491113980, 654818640, 982227960, 1964455920]

約数ペア:

[(1, 1964455920), (2, 982227960), (3, 654818640), (4, 491113980), (5, 392891184), (6, 327409320), (7, 280636560), (8, 245556990), (9, 218272880), (10, 196445592), (12, 163704660), (14, 140318280), (15, 130963728), (16, 122778495), (18, 109136440), (20, 98222796), (21, 93545520), (24, 81852330), (28, 70159140), (30, 65481864), (35, 56127312), (36, 54568220), (40, 49111398), (42, 46772760), (45, 43654576), (48, 40926165), (56, 35079570), (60, 32740932), (63, 31181840), (70, 28063656), (72, 27284110), (80, 24555699), (84, 23386380), (90, 21827288), (105, 18709104), (112, 17539785), (120, 16370466), (126, 15590920), (140, 14031828), (144, 13642055), (168, 11693190), (180, 10913644), (210, 9354552), (240, 8185233), (252, 7795460), (280, 7015914), (315, 6236368), (336, 5846595), (360, 5456822), (420, 4677276), (504, 3897730), (560, 3507957), (630, 3118184), (720, 2728411), (840, 2338638), (1008, 1948865), (1260, 1559092), (1680, 1169319), (2520, 779546), (5040, 389773)]