19409989120

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:640

約数の個数: 160

約数和(自身を含む): 47290687488

約数和(自身を除く): 27880698368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 227, 254, 256, 263, 320, 454, 508, 512, 526, 635, 640, 908, 1016, 1052, 1135, 1270, 1280, 1315, 1816, 2032, 2104, 2270, 2540, 2560, 2630, 3632, 4064, 4208, 4540, 5080, 5260, 7264, 8128, 8416, 9080, 10160, 10520, 14528, 16256, 16832, 18160, 20320, 21040, 28829, 29056, 32512, 33401, 33664, 36320, 40640, 42080, 57658, 58112, 59701, 65024, 66802, 67328, 72640, 81280, 84160, 115316, 116224, 119402, 133604, 134656, 144145, 145280, 162560, 167005, 168320, 230632, 238804, 267208, 288290, 290560, 298505, 325120, 334010, 336640, 461264, 477608, 534416, 576580, 581120, 597010, 668020, 673280, 922528, 955216, 1068832, 1153160, 1194020, 1336040, 1845056, 1910432, 2137664, 2306320, 2388040, 2672080, 3690112, 3820864, 4275328, 4612640, 4776080, 5344160, 7380224, 7582027, 7641728, 8550656, 9225280, 9552160, 10688320, 14760448, 15164054, 15283456, 17101312, 18450560, 19104320, 21376640, 30328108, 30566912, 36901120, 37910135, 38208640, 42753280, 60656216, 73802240, 75820270, 76417280, 85506560, 121312432, 151640540, 152834560, 242624864, 303281080, 485249728, 606562160, 970499456, 1213124320, 1940998912, 2426248640, 3881997824, 4852497280, 9704994560, 19409989120]

約数ペア:

[(1, 19409989120), (2, 9704994560), (4, 4852497280), (5, 3881997824), (8, 2426248640), (10, 1940998912), (16, 1213124320), (20, 970499456), (32, 606562160), (40, 485249728), (64, 303281080), (80, 242624864), (127, 152834560), (128, 151640540), (160, 121312432), (227, 85506560), (254, 76417280), (256, 75820270), (263, 73802240), (320, 60656216), (454, 42753280), (508, 38208640), (512, 37910135), (526, 36901120), (635, 30566912), (640, 30328108), (908, 21376640), (1016, 19104320), (1052, 18450560), (1135, 17101312), (1270, 15283456), (1280, 15164054), (1315, 14760448), (1816, 10688320), (2032, 9552160), (2104, 9225280), (2270, 8550656), (2540, 7641728), (2560, 7582027), (2630, 7380224), (3632, 5344160), (4064, 4776080), (4208, 4612640), (4540, 4275328), (5080, 3820864), (5260, 3690112), (7264, 2672080), (8128, 2388040), (8416, 2306320), (9080, 2137664), (10160, 1910432), (10520, 1845056), (14528, 1336040), (16256, 1194020), (16832, 1153160), (18160, 1068832), (20320, 955216), (21040, 922528), (28829, 673280), (29056, 668020), (32512, 597010), (33401, 581120), (33664, 576580), (36320, 534416), (40640, 477608), (42080, 461264), (57658, 336640), (58112, 334010), (59701, 325120), (65024, 298505), (66802, 290560), (67328, 288290), (72640, 267208), (81280, 238804), (84160, 230632), (115316, 168320), (116224, 167005), (119402, 162560), (133604, 145280), (134656, 144145)]