16291880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 24419800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 607, 610, 671, 1214, 1220, 1342, 2428, 2440, 2684, 3035, 3355, 4856, 5368, 6070, 6677, 6710, 12140, 13354, 13420, 24280, 26708, 26840, 33385, 37027, 53416, 66770, 74054, 133540, 148108, 185135, 267080, 296216, 370270, 407297, 740540, 814594, 1481080, 1629188, 2036485, 3258376, 4072970, 8145940, 16291880]

約数ペア:

[(1, 16291880), (2, 8145940), (4, 4072970), (5, 3258376), (8, 2036485), (10, 1629188), (11, 1481080), (20, 814594), (22, 740540), (40, 407297), (44, 370270), (55, 296216), (61, 267080), (88, 185135), (110, 148108), (122, 133540), (220, 74054), (244, 66770), (305, 53416), (440, 37027), (488, 33385), (607, 26840), (610, 26708), (671, 24280), (1214, 13420), (1220, 13354), (1342, 12140), (2428, 6710), (2440, 6677), (2684, 6070), (3035, 5368), (3355, 4856)]