1979120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 5437152

約数和(自身を除く): 3458032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 173, 176, 208, 220, 260, 286, 346, 440, 520, 572, 692, 715, 865, 880, 1040, 1144, 1384, 1430, 1730, 1903, 2249, 2288, 2768, 2860, 3460, 3806, 4498, 5720, 6920, 7612, 8996, 9515, 11245, 11440, 13840, 15224, 17992, 19030, 22490, 24739, 30448, 35984, 38060, 44980, 49478, 76120, 89960, 98956, 123695, 152240, 179920, 197912, 247390, 395824, 494780, 989560, 1979120]

約数ペア:

[(1, 1979120), (2, 989560), (4, 494780), (5, 395824), (8, 247390), (10, 197912), (11, 179920), (13, 152240), (16, 123695), (20, 98956), (22, 89960), (26, 76120), (40, 49478), (44, 44980), (52, 38060), (55, 35984), (65, 30448), (80, 24739), (88, 22490), (104, 19030), (110, 17992), (130, 15224), (143, 13840), (173, 11440), (176, 11245), (208, 9515), (220, 8996), (260, 7612), (286, 6920), (346, 5720), (440, 4498), (520, 3806), (572, 3460), (692, 2860), (715, 2768), (865, 2288), (880, 2249), (1040, 1903), (1144, 1730), (1384, 1430)]