256957756160

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1087}}^1\times {\mathrm{3769}}^1$

素因数の和:4891

約数の個数: 216

約数和(自身を含む): 716831781120

約数和(自身を除く): 459874024960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1087, 1120, 1280, 1568, 1792, 1960, 2174, 2240, 3136, 3769, 3920, 4348, 4480, 5435, 6272, 7538, 7609, 7840, 8696, 8960, 10870, 12544, 15076, 15218, 15680, 17392, 18845, 21740, 26383, 30152, 30436, 31360, 34784, 37690, 38045, 43480, 52766, 53263, 60304, 60872, 62720, 69568, 75380, 76090, 86960, 105532, 106526, 120608, 121744, 131915, 139136, 150760, 152180, 173920, 184681, 211064, 213052, 241216, 243488, 263830, 266315, 278272, 301520, 304360, 347840, 369362, 422128, 426104, 482432, 486976, 527660, 532630, 603040, 608720, 695680, 738724, 844256, 852208, 923405, 964864, 973952, 1055320, 1065260, 1206080, 1217440, 1391360, 1477448, 1688512, 1704416, 1846810, 1947904, 2110640, 2130520, 2412160, 2434880, 2954896, 3377024, 3408832, 3693620, 4096903, 4221280, 4261040, 4824320, 4869760, 5909792, 6754048, 6817664, 7387240, 8193806, 8442560, 8522080, 9739520, 11819584, 13635328, 14774480, 16387612, 16885120, 17044160, 20484515, 23639168, 28678321, 29548960, 32775224, 33770240, 34088320, 40969030, 47278336, 57356642, 59097920, 65550448, 68176640, 81938060, 114713284, 118195840, 131100896, 143391605, 163876120, 200748247, 229426568, 236391680, 262201792, 286783210, 327752240, 401496494, 458853136, 524403584, 573566420, 655504480, 802992988, 917706272, 1003741235, 1048807168, 1147132840, 1311008960, 1605985976, 1835412544, 2007482470, 2294265680, 2622017920, 3211971952, 3670825088, 4014964940, 4588531360, 5244035840, 6423943904, 7341650176, 8029929880, 9177062720, 12847887808, 16059859760, 18354125440, 25695775616, 32119719520, 36708250880, 51391551232, 64239439040, 128478878080, 256957756160]

約数ペア:

[(1, 256957756160), (2, 128478878080), (4, 64239439040), (5, 51391551232), (7, 36708250880), (8, 32119719520), (10, 25695775616), (14, 18354125440), (16, 16059859760), (20, 12847887808), (28, 9177062720), (32, 8029929880), (35, 7341650176), (40, 6423943904), (49, 5244035840), (56, 4588531360), (64, 4014964940), (70, 3670825088), (80, 3211971952), (98, 2622017920), (112, 2294265680), (128, 2007482470), (140, 1835412544), (160, 1605985976), (196, 1311008960), (224, 1147132840), (245, 1048807168), (256, 1003741235), (280, 917706272), (320, 802992988), (392, 655504480), (448, 573566420), (490, 524403584), (560, 458853136), (640, 401496494), (784, 327752240), (896, 286783210), (980, 262201792), (1087, 236391680), (1120, 229426568), (1280, 200748247), (1568, 163876120), (1792, 143391605), (1960, 131100896), (2174, 118195840), (2240, 114713284), (3136, 81938060), (3769, 68176640), (3920, 65550448), (4348, 59097920), (4480, 57356642), (5435, 47278336), (6272, 40969030), (7538, 34088320), (7609, 33770240), (7840, 32775224), (8696, 29548960), (8960, 28678321), (10870, 23639168), (12544, 20484515), (15076, 17044160), (15218, 16885120), (15680, 16387612), (17392, 14774480), (18845, 13635328), (21740, 11819584), (26383, 9739520), (30152, 8522080), (30436, 8442560), (31360, 8193806), (34784, 7387240), (37690, 6817664), (38045, 6754048), (43480, 5909792), (52766, 4869760), (53263, 4824320), (60304, 4261040), (60872, 4221280), (62720, 4096903), (69568, 3693620), (75380, 3408832), (76090, 3377024), (86960, 2954896), (105532, 2434880), (106526, 2412160), (120608, 2130520), (121744, 2110640), (131915, 1947904), (139136, 1846810), (150760, 1704416), (152180, 1688512), (173920, 1477448), (184681, 1391360), (211064, 1217440), (213052, 1206080), (241216, 1065260), (243488, 1055320), (263830, 973952), (266315, 964864), (278272, 923405), (301520, 852208), (304360, 844256), (347840, 738724), (369362, 695680), (422128, 608720), (426104, 603040), (482432, 532630), (486976, 527660)]