1217925840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3001}}^1$

素因数の和:3125

約数の個数: 160

約数和(自身を含む): 4020278400

約数和(自身を除く): 2802352560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 89, 95, 114, 120, 152, 178, 190, 228, 240, 267, 285, 304, 356, 380, 445, 456, 534, 570, 712, 760, 890, 912, 1068, 1140, 1335, 1424, 1520, 1691, 1780, 2136, 2280, 2670, 3001, 3382, 3560, 4272, 4560, 5073, 5340, 6002, 6764, 7120, 8455, 9003, 10146, 10680, 12004, 13528, 15005, 16910, 18006, 20292, 21360, 24008, 25365, 27056, 30010, 33820, 36012, 40584, 45015, 48016, 50730, 57019, 60020, 67640, 72024, 81168, 90030, 101460, 114038, 120040, 135280, 144048, 171057, 180060, 202920, 228076, 240080, 267089, 285095, 342114, 360120, 405840, 456152, 534178, 570190, 684228, 720240, 801267, 855285, 912304, 1068356, 1140380, 1335445, 1368456, 1602534, 1710570, 2136712, 2280760, 2670890, 2736912, 3205068, 3421140, 4006335, 4273424, 4561520, 5074691, 5341780, 6410136, 6842280, 8012670, 10149382, 10683560, 12820272, 13684560, 15224073, 16025340, 20298764, 21367120, 25373455, 30448146, 32050680, 40597528, 50746910, 60896292, 64101360, 76120365, 81195056, 101493820, 121792584, 152240730, 202987640, 243585168, 304481460, 405975280, 608962920, 1217925840]

約数ペア:

[(1, 1217925840), (2, 608962920), (3, 405975280), (4, 304481460), (5, 243585168), (6, 202987640), (8, 152240730), (10, 121792584), (12, 101493820), (15, 81195056), (16, 76120365), (19, 64101360), (20, 60896292), (24, 50746910), (30, 40597528), (38, 32050680), (40, 30448146), (48, 25373455), (57, 21367120), (60, 20298764), (76, 16025340), (80, 15224073), (89, 13684560), (95, 12820272), (114, 10683560), (120, 10149382), (152, 8012670), (178, 6842280), (190, 6410136), (228, 5341780), (240, 5074691), (267, 4561520), (285, 4273424), (304, 4006335), (356, 3421140), (380, 3205068), (445, 2736912), (456, 2670890), (534, 2280760), (570, 2136712), (712, 1710570), (760, 1602534), (890, 1368456), (912, 1335445), (1068, 1140380), (1140, 1068356), (1335, 912304), (1424, 855285), (1520, 801267), (1691, 720240), (1780, 684228), (2136, 570190), (2280, 534178), (2670, 456152), (3001, 405840), (3382, 360120), (3560, 342114), (4272, 285095), (4560, 267089), (5073, 240080), (5340, 228076), (6002, 202920), (6764, 180060), (7120, 171057), (8455, 144048), (9003, 135280), (10146, 120040), (10680, 114038), (12004, 101460), (13528, 90030), (15005, 81168), (16910, 72024), (18006, 67640), (20292, 60020), (21360, 57019), (24008, 50730), (25365, 48016), (27056, 45015), (30010, 40584), (33820, 36012)]