123487840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:877

約数の個数: 144

約数和(自身を含む): 357663600

約数和(自身を除く): 234175760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 829, 931, 980, 1064, 1120, 1330, 1520, 1568, 1658, 1862, 1960, 2128, 2660, 3040, 3316, 3724, 3920, 4145, 4256, 4655, 5320, 5803, 6632, 7448, 7840, 8290, 9310, 10640, 11606, 13264, 14896, 15751, 16580, 18620, 21280, 23212, 26528, 29015, 29792, 31502, 33160, 37240, 40621, 46424, 58030, 63004, 66320, 74480, 78755, 81242, 92848, 110257, 116060, 126008, 132640, 148960, 157510, 162484, 185696, 203105, 220514, 232120, 252016, 315020, 324968, 406210, 441028, 464240, 504032, 551285, 630040, 649936, 771799, 812420, 882056, 928480, 1102570, 1260080, 1299872, 1543598, 1624840, 1764112, 2205140, 2520160, 3087196, 3249680, 3528224, 3858995, 4410280, 6174392, 6499360, 7717990, 8820560, 12348784, 15435980, 17641120, 24697568, 30871960, 61743920, 123487840]

約数ペア:

[(1, 123487840), (2, 61743920), (4, 30871960), (5, 24697568), (7, 17641120), (8, 15435980), (10, 12348784), (14, 8820560), (16, 7717990), (19, 6499360), (20, 6174392), (28, 4410280), (32, 3858995), (35, 3528224), (38, 3249680), (40, 3087196), (49, 2520160), (56, 2205140), (70, 1764112), (76, 1624840), (80, 1543598), (95, 1299872), (98, 1260080), (112, 1102570), (133, 928480), (140, 882056), (152, 812420), (160, 771799), (190, 649936), (196, 630040), (224, 551285), (245, 504032), (266, 464240), (280, 441028), (304, 406210), (380, 324968), (392, 315020), (490, 252016), (532, 232120), (560, 220514), (608, 203105), (665, 185696), (760, 162484), (784, 157510), (829, 148960), (931, 132640), (980, 126008), (1064, 116060), (1120, 110257), (1330, 92848), (1520, 81242), (1568, 78755), (1658, 74480), (1862, 66320), (1960, 63004), (2128, 58030), (2660, 46424), (3040, 40621), (3316, 37240), (3724, 33160), (3920, 31502), (4145, 29792), (4256, 29015), (4655, 26528), (5320, 23212), (5803, 21280), (6632, 18620), (7448, 16580), (7840, 15751), (8290, 14896), (9310, 13264), (10640, 11606)]