640102400

素因数分解:

$2^{12}\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 312

約数和(自身を含む): 1950113280

約数和(自身を除く): 1310010880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 47, 50, 56, 64, 70, 76, 80, 94, 95, 100, 112, 128, 133, 140, 152, 160, 175, 188, 190, 200, 224, 235, 256, 266, 280, 304, 320, 329, 350, 376, 380, 400, 448, 470, 475, 512, 532, 560, 608, 640, 658, 665, 700, 752, 760, 800, 893, 896, 940, 950, 1024, 1064, 1120, 1175, 1216, 1280, 1316, 1330, 1400, 1504, 1520, 1600, 1645, 1786, 1792, 1880, 1900, 2048, 2128, 2240, 2350, 2432, 2560, 2632, 2660, 2800, 3008, 3040, 3200, 3290, 3325, 3572, 3584, 3760, 3800, 4096, 4256, 4465, 4480, 4700, 4864, 5120, 5264, 5320, 5600, 6016, 6080, 6251, 6400, 6580, 6650, 7144, 7168, 7520, 7600, 8225, 8512, 8930, 8960, 9400, 9728, 10240, 10528, 10640, 11200, 12032, 12160, 12502, 12800, 13160, 13300, 14288, 14336, 15040, 15200, 16450, 17024, 17860, 17920, 18800, 19456, 20480, 21056, 21280, 22325, 22400, 24064, 24320, 25004, 25600, 26320, 26600, 28576, 28672, 30080, 30400, 31255, 32900, 34048, 35720, 35840, 37600, 38912, 42112, 42560, 44650, 44800, 48128, 48640, 50008, 51200, 52640, 53200, 57152, 60160, 60800, 62510, 65800, 68096, 71440, 71680, 75200, 77824, 84224, 85120, 89300, 89600, 96256, 97280, 100016, 102400, 105280, 106400, 114304, 120320, 121600, 125020, 131600, 136192, 142880, 143360, 150400, 156275, 168448, 170240, 178600, 179200, 192512, 194560, 200032, 210560, 212800, 228608, 240640, 243200, 250040, 263200, 272384, 285760, 300800, 312550, 336896, 340480, 357200, 358400, 389120, 400064, 421120, 425600, 457216, 481280, 486400, 500080, 526400, 544768, 571520, 601600, 625100, 673792, 680960, 714400, 716800, 800128, 842240, 851200, 914432, 962560, 972800, 1000160, 1052800, 1143040, 1203200, 1250200, 1347584, 1361920, 1428800, 1600256, 1684480, 1702400, 1828864, 1945600, 2000320, 2105600, 2286080, 2406400, 2500400, 2723840, 2857600, 3200512, 3368960, 3404800, 3657728, 4000640, 4211200, 4572160, 4812800, 5000800, 5715200, 6401024, 6737920, 6809600, 8001280, 8422400, 9144320, 10001600, 11430400, 12802048, 13619200, 16002560, 16844800, 18288640, 20003200, 22860800, 25604096, 32005120, 33689600, 40006400, 45721600, 64010240, 80012800, 91443200, 128020480, 160025600, 320051200, 640102400]

約数ペア:

[(1, 640102400), (2, 320051200), (4, 160025600), (5, 128020480), (7, 91443200), (8, 80012800), (10, 64010240), (14, 45721600), (16, 40006400), (19, 33689600), (20, 32005120), (25, 25604096), (28, 22860800), (32, 20003200), (35, 18288640), (38, 16844800), (40, 16002560), (47, 13619200), (50, 12802048), (56, 11430400), (64, 10001600), (70, 9144320), (76, 8422400), (80, 8001280), (94, 6809600), (95, 6737920), (100, 6401024), (112, 5715200), (128, 5000800), (133, 4812800), (140, 4572160), (152, 4211200), (160, 4000640), (175, 3657728), (188, 3404800), (190, 3368960), (200, 3200512), (224, 2857600), (235, 2723840), (256, 2500400), (266, 2406400), (280, 2286080), (304, 2105600), (320, 2000320), (329, 1945600), (350, 1828864), (376, 1702400), (380, 1684480), (400, 1600256), (448, 1428800), (470, 1361920), (475, 1347584), (512, 1250200), (532, 1203200), (560, 1143040), (608, 1052800), (640, 1000160), (658, 972800), (665, 962560), (700, 914432), (752, 851200), (760, 842240), (800, 800128), (893, 716800), (896, 714400), (940, 680960), (950, 673792), (1024, 625100), (1064, 601600), (1120, 571520), (1175, 544768), (1216, 526400), (1280, 500080), (1316, 486400), (1330, 481280), (1400, 457216), (1504, 425600), (1520, 421120), (1600, 400064), (1645, 389120), (1786, 358400), (1792, 357200), (1880, 340480), (1900, 336896), (2048, 312550), (2128, 300800), (2240, 285760), (2350, 272384), (2432, 263200), (2560, 250040), (2632, 243200), (2660, 240640), (2800, 228608), (3008, 212800), (3040, 210560), (3200, 200032), (3290, 194560), (3325, 192512), (3572, 179200), (3584, 178600), (3760, 170240), (3800, 168448), (4096, 156275), (4256, 150400), (4465, 143360), (4480, 142880), (4700, 136192), (4864, 131600), (5120, 125020), (5264, 121600), (5320, 120320), (5600, 114304), (6016, 106400), (6080, 105280), (6251, 102400), (6400, 100016), (6580, 97280), (6650, 96256), (7144, 89600), (7168, 89300), (7520, 85120), (7600, 84224), (8225, 77824), (8512, 75200), (8930, 71680), (8960, 71440), (9400, 68096), (9728, 65800), (10240, 62510), (10528, 60800), (10640, 60160), (11200, 57152), (12032, 53200), (12160, 52640), (12502, 51200), (12800, 50008), (13160, 48640), (13300, 48128), (14288, 44800), (14336, 44650), (15040, 42560), (15200, 42112), (16450, 38912), (17024, 37600), (17860, 35840), (17920, 35720), (18800, 34048), (19456, 32900), (20480, 31255), (21056, 30400), (21280, 30080), (22325, 28672), (22400, 28576), (24064, 26600), (24320, 26320), (25004, 25600)]