15697699780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{811}}^1\times {\mathrm{19751}}^1$

素因数の和:20585

約数の個数: 72

約数和(自身を含む): 38396465856

約数和(自身を除く): 22698766076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 811, 980, 1622, 3244, 4055, 5677, 8110, 11354, 16220, 19751, 22708, 28385, 39502, 39739, 56770, 79004, 79478, 98755, 113540, 138257, 158956, 197510, 198695, 276514, 395020, 397390, 553028, 691285, 794780, 967799, 1382570, 1935598, 2765140, 3871196, 4838995, 9677990, 16018061, 19355980, 32036122, 64072244, 80090305, 112126427, 160180610, 224252854, 320361220, 448505708, 560632135, 784884989, 1121264270, 1569769978, 2242528540, 3139539956, 3924424945, 7848849890, 15697699780]

約数ペア:

[(1, 15697699780), (2, 7848849890), (4, 3924424945), (5, 3139539956), (7, 2242528540), (10, 1569769978), (14, 1121264270), (20, 784884989), (28, 560632135), (35, 448505708), (49, 320361220), (70, 224252854), (98, 160180610), (140, 112126427), (196, 80090305), (245, 64072244), (490, 32036122), (811, 19355980), (980, 16018061), (1622, 9677990), (3244, 4838995), (4055, 3871196), (5677, 2765140), (8110, 1935598), (11354, 1382570), (16220, 967799), (19751, 794780), (22708, 691285), (28385, 553028), (39502, 397390), (39739, 395020), (56770, 276514), (79004, 198695), (79478, 197510), (98755, 158956), (113540, 138257)]