16513280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 48074880

約数和(自身を除く): 31561600

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, 97, 112, 128, 133, 140, 152, 160, 190, 194, 224, 256, 266, 280, 304, 320, 380, 388, 448, 485, 532, 560, 608, 640, 665, 679, 760, 776, 896, 970, 1064, 1120, 1216, 1280, 1330, 1358, 1520, 1552, 1792, 1843, 1940, 2128, 2240, 2432, 2660, 2716, 3040, 3104, 3395, 3686, 3880, 4256, 4480, 4864, 5320, 5432, 6080, 6208, 6790, 7372, 7760, 8512, 8960, 9215, 10640, 10864, 12160, 12416, 12901, 13580, 14744, 15520, 17024, 18430, 21280, 21728, 24320, 24832, 25802, 27160, 29488, 31040, 34048, 36860, 42560, 43456, 51604, 54320, 58976, 62080, 64505, 73720, 85120, 86912, 103208, 108640, 117952, 124160, 129010, 147440, 170240, 173824, 206416, 217280, 235904, 258020, 294880, 412832, 434560, 471808, 516040, 589760, 825664, 869120, 1032080, 1179520, 1651328, 2064160, 2359040, 3302656, 4128320, 8256640, 16513280]

約数ペア:

[(1, 16513280), (2, 8256640), (4, 4128320), (5, 3302656), (7, 2359040), (8, 2064160), (10, 1651328), (14, 1179520), (16, 1032080), (19, 869120), (20, 825664), (28, 589760), (32, 516040), (35, 471808), (38, 434560), (40, 412832), (56, 294880), (64, 258020), (70, 235904), (76, 217280), (80, 206416), (95, 173824), (97, 170240), (112, 147440), (128, 129010), (133, 124160), (140, 117952), (152, 108640), (160, 103208), (190, 86912), (194, 85120), (224, 73720), (256, 64505), (266, 62080), (280, 58976), (304, 54320), (320, 51604), (380, 43456), (388, 42560), (448, 36860), (485, 34048), (532, 31040), (560, 29488), (608, 27160), (640, 25802), (665, 24832), (679, 24320), (760, 21728), (776, 21280), (896, 18430), (970, 17024), (1064, 15520), (1120, 14744), (1216, 13580), (1280, 12901), (1330, 12416), (1358, 12160), (1520, 10864), (1552, 10640), (1792, 9215), (1843, 8960), (1940, 8512), (2128, 7760), (2240, 7372), (2432, 6790), (2660, 6208), (2716, 6080), (3040, 5432), (3104, 5320), (3395, 4864), (3686, 4480), (3880, 4256)]