27779100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 86661120

約数和(自身を除く): 58882020

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, 103, 116, 124, 145, 150, 155, 174, 186, 206, 290, 300, 309, 310, 348, 372, 412, 435, 465, 515, 580, 618, 620, 725, 775, 870, 899, 930, 1030, 1236, 1450, 1545, 1550, 1740, 1798, 1860, 2060, 2175, 2325, 2575, 2697, 2900, 2987, 3090, 3100, 3193, 3596, 4350, 4495, 4650, 5150, 5394, 5974, 6180, 6386, 7725, 8700, 8961, 8990, 9300, 9579, 10300, 10788, 11948, 12772, 13485, 14935, 15450, 15965, 17922, 17980, 19158, 22475, 26970, 29870, 30900, 31930, 35844, 38316, 44805, 44950, 47895, 53940, 59740, 63860, 67425, 74675, 79825, 89610, 89900, 92597, 95790, 134850, 149350, 159650, 179220, 185194, 191580, 224025, 239475, 269700, 277791, 298700, 319300, 370388, 448050, 462985, 478950, 555582, 896100, 925970, 957900, 1111164, 1388955, 1851940, 2314925, 2777910, 4629850, 5555820, 6944775, 9259700, 13889550, 27779100]

約数ペア:

[(1, 27779100), (2, 13889550), (3, 9259700), (4, 6944775), (5, 5555820), (6, 4629850), (10, 2777910), (12, 2314925), (15, 1851940), (20, 1388955), (25, 1111164), (29, 957900), (30, 925970), (31, 896100), (50, 555582), (58, 478950), (60, 462985), (62, 448050), (75, 370388), (87, 319300), (93, 298700), (100, 277791), (103, 269700), (116, 239475), (124, 224025), (145, 191580), (150, 185194), (155, 179220), (174, 159650), (186, 149350), (206, 134850), (290, 95790), (300, 92597), (309, 89900), (310, 89610), (348, 79825), (372, 74675), (412, 67425), (435, 63860), (465, 59740), (515, 53940), (580, 47895), (618, 44950), (620, 44805), (725, 38316), (775, 35844), (870, 31930), (899, 30900), (930, 29870), (1030, 26970), (1236, 22475), (1450, 19158), (1545, 17980), (1550, 17922), (1740, 15965), (1798, 15450), (1860, 14935), (2060, 13485), (2175, 12772), (2325, 11948), (2575, 10788), (2697, 10300), (2900, 9579), (2987, 9300), (3090, 8990), (3100, 8961), (3193, 8700), (3596, 7725), (4350, 6386), (4495, 6180), (4650, 5974), (5150, 5394)]