164861480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 457360020

約数和(自身を除く): 292498540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 233, 245, 266, 280, 361, 380, 392, 466, 490, 532, 665, 722, 760, 931, 932, 980, 1064, 1165, 1330, 1444, 1631, 1805, 1862, 1864, 1960, 2330, 2527, 2660, 2888, 3262, 3610, 3724, 4427, 4655, 4660, 5054, 5320, 6524, 7220, 7448, 8155, 8854, 9310, 9320, 10108, 11417, 12635, 13048, 14440, 16310, 17689, 17708, 18620, 20216, 22135, 22834, 25270, 30989, 32620, 35378, 35416, 37240, 44270, 45668, 50540, 57085, 61978, 65240, 70756, 84113, 88445, 88540, 91336, 101080, 114170, 123956, 141512, 154945, 168226, 176890, 177080, 216923, 228340, 247912, 309890, 336452, 353780, 420565, 433846, 456680, 588791, 619780, 672904, 707560, 841130, 867692, 1084615, 1177582, 1239560, 1682260, 1735384, 2169230, 2355164, 2943955, 3364520, 4121537, 4338460, 4710328, 5887910, 8243074, 8676920, 11775820, 16486148, 20607685, 23551640, 32972296, 41215370, 82430740, 164861480]

約数ペア:

[(1, 164861480), (2, 82430740), (4, 41215370), (5, 32972296), (7, 23551640), (8, 20607685), (10, 16486148), (14, 11775820), (19, 8676920), (20, 8243074), (28, 5887910), (35, 4710328), (38, 4338460), (40, 4121537), (49, 3364520), (56, 2943955), (70, 2355164), (76, 2169230), (95, 1735384), (98, 1682260), (133, 1239560), (140, 1177582), (152, 1084615), (190, 867692), (196, 841130), (233, 707560), (245, 672904), (266, 619780), (280, 588791), (361, 456680), (380, 433846), (392, 420565), (466, 353780), (490, 336452), (532, 309890), (665, 247912), (722, 228340), (760, 216923), (931, 177080), (932, 176890), (980, 168226), (1064, 154945), (1165, 141512), (1330, 123956), (1444, 114170), (1631, 101080), (1805, 91336), (1862, 88540), (1864, 88445), (1960, 84113), (2330, 70756), (2527, 65240), (2660, 61978), (2888, 57085), (3262, 50540), (3610, 45668), (3724, 44270), (4427, 37240), (4655, 35416), (4660, 35378), (5054, 32620), (5320, 30989), (6524, 25270), (7220, 22834), (7448, 22135), (8155, 20216), (8854, 18620), (9310, 17708), (9320, 17689), (10108, 16310), (11417, 14440), (12635, 13048)]