19696320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:1007

約数の個数: 168

約数和(自身を含む): 77504544

約数和(自身を除く): 57808224

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 977, 1008, 1120, 1260, 1344, 1440, 1680, 1954, 2016, 2240, 2520, 2880, 2931, 3360, 3908, 4032, 4885, 5040, 5862, 6720, 6839, 7816, 8793, 9770, 10080, 11724, 13678, 14655, 15632, 17586, 19540, 20160, 20517, 23448, 27356, 29310, 31264, 34195, 35172, 39080, 41034, 43965, 46896, 54712, 58620, 61551, 62528, 68390, 70344, 78160, 82068, 87930, 93792, 102585, 109424, 117240, 123102, 136780, 140688, 156320, 164136, 175860, 187584, 205170, 218848, 234480, 246204, 273560, 281376, 307755, 312640, 328272, 351720, 410340, 437696, 468960, 492408, 547120, 562752, 615510, 656544, 703440, 820680, 937920, 984816, 1094240, 1231020, 1313088, 1406880, 1641360, 1969632, 2188480, 2462040, 2813760, 3282720, 3939264, 4924080, 6565440, 9848160, 19696320]

約数ペア:

[(1, 19696320), (2, 9848160), (3, 6565440), (4, 4924080), (5, 3939264), (6, 3282720), (7, 2813760), (8, 2462040), (9, 2188480), (10, 1969632), (12, 1641360), (14, 1406880), (15, 1313088), (16, 1231020), (18, 1094240), (20, 984816), (21, 937920), (24, 820680), (28, 703440), (30, 656544), (32, 615510), (35, 562752), (36, 547120), (40, 492408), (42, 468960), (45, 437696), (48, 410340), (56, 351720), (60, 328272), (63, 312640), (64, 307755), (70, 281376), (72, 273560), (80, 246204), (84, 234480), (90, 218848), (96, 205170), (105, 187584), (112, 175860), (120, 164136), (126, 156320), (140, 140688), (144, 136780), (160, 123102), (168, 117240), (180, 109424), (192, 102585), (210, 93792), (224, 87930), (240, 82068), (252, 78160), (280, 70344), (288, 68390), (315, 62528), (320, 61551), (336, 58620), (360, 54712), (420, 46896), (448, 43965), (480, 41034), (504, 39080), (560, 35172), (576, 34195), (630, 31264), (672, 29310), (720, 27356), (840, 23448), (960, 20517), (977, 20160), (1008, 19540), (1120, 17586), (1260, 15632), (1344, 14655), (1440, 13678), (1680, 11724), (1954, 10080), (2016, 9770), (2240, 8793), (2520, 7816), (2880, 6839), (2931, 6720), (3360, 5862), (3908, 5040), (4032, 4885)]