61221900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 189987840

約数和(自身を除く): 128765940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 31, 50, 58, 60, 62, 75, 87, 93, 100, 116, 124, 145, 150, 155, 174, 186, 227, 290, 300, 310, 348, 372, 435, 454, 465, 580, 620, 681, 725, 775, 870, 899, 908, 930, 1135, 1362, 1450, 1550, 1740, 1798, 1860, 2175, 2270, 2325, 2697, 2724, 2900, 3100, 3405, 3596, 4350, 4495, 4540, 4650, 5394, 5675, 6583, 6810, 7037, 8700, 8990, 9300, 10788, 11350, 13166, 13485, 13620, 14074, 17025, 17980, 19749, 21111, 22475, 22700, 26332, 26970, 28148, 32915, 34050, 35185, 39498, 42222, 44950, 53940, 65830, 67425, 68100, 70370, 78996, 84444, 89900, 98745, 105555, 131660, 134850, 140740, 164575, 175925, 197490, 204073, 211110, 269700, 329150, 351850, 394980, 408146, 422220, 493725, 527775, 612219, 658300, 703700, 816292, 987450, 1020365, 1055550, 1224438, 1974900, 2040730, 2111100, 2448876, 3061095, 4081460, 5101825, 6122190, 10203650, 12244380, 15305475, 20407300, 30610950, 61221900]

約数ペア:

[(1, 61221900), (2, 30610950), (3, 20407300), (4, 15305475), (5, 12244380), (6, 10203650), (10, 6122190), (12, 5101825), (15, 4081460), (20, 3061095), (25, 2448876), (29, 2111100), (30, 2040730), (31, 1974900), (50, 1224438), (58, 1055550), (60, 1020365), (62, 987450), (75, 816292), (87, 703700), (93, 658300), (100, 612219), (116, 527775), (124, 493725), (145, 422220), (150, 408146), (155, 394980), (174, 351850), (186, 329150), (227, 269700), (290, 211110), (300, 204073), (310, 197490), (348, 175925), (372, 164575), (435, 140740), (454, 134850), (465, 131660), (580, 105555), (620, 98745), (681, 89900), (725, 84444), (775, 78996), (870, 70370), (899, 68100), (908, 67425), (930, 65830), (1135, 53940), (1362, 44950), (1450, 42222), (1550, 39498), (1740, 35185), (1798, 34050), (1860, 32915), (2175, 28148), (2270, 26970), (2325, 26332), (2697, 22700), (2724, 22475), (2900, 21111), (3100, 19749), (3405, 17980), (3596, 17025), (4350, 14074), (4495, 13620), (4540, 13485), (4650, 13166), (5394, 11350), (5675, 10788), (6583, 9300), (6810, 8990), (7037, 8700)]