12885040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 36894960

約数和(自身を除く): 24009920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 173, 190, 196, 245, 266, 280, 304, 346, 380, 392, 490, 532, 560, 665, 692, 760, 784, 865, 931, 980, 1064, 1211, 1330, 1384, 1520, 1730, 1862, 1960, 2128, 2422, 2660, 2768, 3287, 3460, 3724, 3920, 4655, 4844, 5320, 6055, 6574, 6920, 7448, 8477, 9310, 9688, 10640, 12110, 13148, 13840, 14896, 16435, 16954, 18620, 19376, 23009, 24220, 26296, 32870, 33908, 37240, 42385, 46018, 48440, 52592, 65740, 67816, 74480, 84770, 92036, 96880, 115045, 131480, 135632, 161063, 169540, 184072, 230090, 262960, 322126, 339080, 368144, 460180, 644252, 678160, 805315, 920360, 1288504, 1610630, 1840720, 2577008, 3221260, 6442520, 12885040]

約数ペア:

[(1, 12885040), (2, 6442520), (4, 3221260), (5, 2577008), (7, 1840720), (8, 1610630), (10, 1288504), (14, 920360), (16, 805315), (19, 678160), (20, 644252), (28, 460180), (35, 368144), (38, 339080), (40, 322126), (49, 262960), (56, 230090), (70, 184072), (76, 169540), (80, 161063), (95, 135632), (98, 131480), (112, 115045), (133, 96880), (140, 92036), (152, 84770), (173, 74480), (190, 67816), (196, 65740), (245, 52592), (266, 48440), (280, 46018), (304, 42385), (346, 37240), (380, 33908), (392, 32870), (490, 26296), (532, 24220), (560, 23009), (665, 19376), (692, 18620), (760, 16954), (784, 16435), (865, 14896), (931, 13840), (980, 13148), (1064, 12110), (1211, 10640), (1330, 9688), (1384, 9310), (1520, 8477), (1730, 7448), (1862, 6920), (1960, 6574), (2128, 6055), (2422, 5320), (2660, 4844), (2768, 4655), (3287, 3920), (3460, 3724)]