81289600

素因数分解:

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

素因数の和:241

約数の個数: 192

約数和(自身を含む): 242841600

約数和(自身を除く): 161552000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 128, 133, 140, 152, 160, 175, 190, 191, 200, 224, 266, 280, 304, 320, 350, 380, 382, 400, 448, 475, 532, 560, 608, 640, 665, 700, 760, 764, 800, 896, 950, 955, 1064, 1120, 1216, 1330, 1337, 1400, 1520, 1528, 1600, 1900, 1910, 2128, 2240, 2432, 2660, 2674, 2800, 3040, 3056, 3200, 3325, 3629, 3800, 3820, 4256, 4480, 4775, 5320, 5348, 5600, 6080, 6112, 6650, 6685, 7258, 7600, 7640, 8512, 9550, 10640, 10696, 11200, 12160, 12224, 13300, 13370, 14516, 15200, 15280, 17024, 18145, 19100, 21280, 21392, 22400, 24448, 25403, 26600, 26740, 29032, 30400, 30560, 33425, 36290, 38200, 42560, 42784, 50806, 53200, 53480, 58064, 60800, 61120, 66850, 72580, 76400, 85120, 85568, 90725, 101612, 106400, 106960, 116128, 122240, 127015, 133700, 145160, 152800, 171136, 181450, 203224, 212800, 213920, 232256, 254030, 267400, 290320, 305600, 362900, 406448, 425600, 427840, 464512, 508060, 534800, 580640, 611200, 635075, 725800, 812896, 855680, 1016120, 1069600, 1161280, 1270150, 1451600, 1625792, 2032240, 2139200, 2322560, 2540300, 2903200, 3251584, 4064480, 4278400, 5080600, 5806400, 8128960, 10161200, 11612800, 16257920, 20322400, 40644800, 81289600]

約数ペア:

[(1, 81289600), (2, 40644800), (4, 20322400), (5, 16257920), (7, 11612800), (8, 10161200), (10, 8128960), (14, 5806400), (16, 5080600), (19, 4278400), (20, 4064480), (25, 3251584), (28, 2903200), (32, 2540300), (35, 2322560), (38, 2139200), (40, 2032240), (50, 1625792), (56, 1451600), (64, 1270150), (70, 1161280), (76, 1069600), (80, 1016120), (95, 855680), (100, 812896), (112, 725800), (128, 635075), (133, 611200), (140, 580640), (152, 534800), (160, 508060), (175, 464512), (190, 427840), (191, 425600), (200, 406448), (224, 362900), (266, 305600), (280, 290320), (304, 267400), (320, 254030), (350, 232256), (380, 213920), (382, 212800), (400, 203224), (448, 181450), (475, 171136), (532, 152800), (560, 145160), (608, 133700), (640, 127015), (665, 122240), (700, 116128), (760, 106960), (764, 106400), (800, 101612), (896, 90725), (950, 85568), (955, 85120), (1064, 76400), (1120, 72580), (1216, 66850), (1330, 61120), (1337, 60800), (1400, 58064), (1520, 53480), (1528, 53200), (1600, 50806), (1900, 42784), (1910, 42560), (2128, 38200), (2240, 36290), (2432, 33425), (2660, 30560), (2674, 30400), (2800, 29032), (3040, 26740), (3056, 26600), (3200, 25403), (3325, 24448), (3629, 22400), (3800, 21392), (3820, 21280), (4256, 19100), (4480, 18145), (4775, 17024), (5320, 15280), (5348, 15200), (5600, 14516), (6080, 13370), (6112, 13300), (6650, 12224), (6685, 12160), (7258, 11200), (7600, 10696), (7640, 10640), (8512, 9550)]