16257920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 47001600

約数和(自身を除く): 30743680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 191, 224, 266, 280, 304, 320, 380, 382, 448, 532, 560, 608, 640, 665, 760, 764, 896, 955, 1064, 1120, 1216, 1330, 1337, 1520, 1528, 1910, 2128, 2240, 2432, 2660, 2674, 3040, 3056, 3629, 3820, 4256, 4480, 5320, 5348, 6080, 6112, 6685, 7258, 7640, 8512, 10640, 10696, 12160, 12224, 13370, 14516, 15280, 17024, 18145, 21280, 21392, 24448, 25403, 26740, 29032, 30560, 36290, 42560, 42784, 50806, 53480, 58064, 61120, 72580, 85120, 85568, 101612, 106960, 116128, 122240, 127015, 145160, 171136, 203224, 213920, 232256, 254030, 290320, 406448, 427840, 464512, 508060, 580640, 812896, 855680, 1016120, 1161280, 1625792, 2032240, 2322560, 3251584, 4064480, 8128960, 16257920]

約数ペア:

[(1, 16257920), (2, 8128960), (4, 4064480), (5, 3251584), (7, 2322560), (8, 2032240), (10, 1625792), (14, 1161280), (16, 1016120), (19, 855680), (20, 812896), (28, 580640), (32, 508060), (35, 464512), (38, 427840), (40, 406448), (56, 290320), (64, 254030), (70, 232256), (76, 213920), (80, 203224), (95, 171136), (112, 145160), (128, 127015), (133, 122240), (140, 116128), (152, 106960), (160, 101612), (190, 85568), (191, 85120), (224, 72580), (266, 61120), (280, 58064), (304, 53480), (320, 50806), (380, 42784), (382, 42560), (448, 36290), (532, 30560), (560, 29032), (608, 26740), (640, 25403), (665, 24448), (760, 21392), (764, 21280), (896, 18145), (955, 17024), (1064, 15280), (1120, 14516), (1216, 13370), (1330, 12224), (1337, 12160), (1520, 10696), (1528, 10640), (1910, 8512), (2128, 7640), (2240, 7258), (2432, 6685), (2660, 6112), (2674, 6080), (3040, 5348), (3056, 5320), (3629, 4480), (3820, 4256)]