16685940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 48996864

約数和(自身を除く): 32310924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 61, 94, 97, 122, 141, 183, 188, 194, 235, 244, 282, 291, 305, 366, 388, 470, 485, 564, 582, 610, 705, 732, 915, 940, 970, 1164, 1220, 1410, 1455, 1830, 1940, 2820, 2867, 2910, 3660, 4559, 5734, 5820, 5917, 8601, 9118, 11468, 11834, 13677, 14335, 17202, 17751, 18236, 22795, 23668, 27354, 28670, 29585, 34404, 35502, 43005, 45590, 54708, 57340, 59170, 68385, 71004, 86010, 88755, 91180, 118340, 136770, 172020, 177510, 273540, 278099, 355020, 556198, 834297, 1112396, 1390495, 1668594, 2780990, 3337188, 4171485, 5561980, 8342970, 16685940]

約数ペア:

[(1, 16685940), (2, 8342970), (3, 5561980), (4, 4171485), (5, 3337188), (6, 2780990), (10, 1668594), (12, 1390495), (15, 1112396), (20, 834297), (30, 556198), (47, 355020), (60, 278099), (61, 273540), (94, 177510), (97, 172020), (122, 136770), (141, 118340), (183, 91180), (188, 88755), (194, 86010), (235, 71004), (244, 68385), (282, 59170), (291, 57340), (305, 54708), (366, 45590), (388, 43005), (470, 35502), (485, 34404), (564, 29585), (582, 28670), (610, 27354), (705, 23668), (732, 22795), (915, 18236), (940, 17751), (970, 17202), (1164, 14335), (1220, 13677), (1410, 11834), (1455, 11468), (1830, 9118), (1940, 8601), (2820, 5917), (2867, 5820), (2910, 5734), (3660, 4559)]