311777280

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 1149876000

約数和(自身を除く): 838098720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 199, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 398, 408, 480, 510, 512, 544, 576, 597, 612, 640, 680, 720, 765, 768, 796, 816, 960, 995, 1020, 1024, 1088, 1152, 1194, 1224, 1280, 1360, 1440, 1530, 1536, 1592, 1632, 1791, 1920, 1990, 2040, 2048, 2176, 2304, 2388, 2448, 2560, 2720, 2880, 2985, 3060, 3072, 3184, 3264, 3383, 3582, 3840, 3980, 4080, 4352, 4608, 4776, 4896, 5120, 5440, 5760, 5970, 6120, 6144, 6368, 6528, 6766, 7164, 7680, 7960, 8160, 8704, 8955, 9216, 9552, 9792, 10149, 10240, 10880, 11520, 11940, 12240, 12736, 13056, 13532, 14328, 15360, 15920, 16320, 16915, 17408, 17910, 18432, 19104, 19584, 20298, 21760, 23040, 23880, 24480, 25472, 26112, 27064, 28656, 30447, 30720, 31840, 32640, 33830, 34816, 35820, 38208, 39168, 40596, 43520, 46080, 47760, 48960, 50745, 50944, 52224, 54128, 57312, 60894, 63680, 65280, 67660, 71640, 76416, 78336, 81192, 87040, 92160, 95520, 97920, 101490, 101888, 104448, 108256, 114624, 121788, 127360, 130560, 135320, 143280, 152235, 152832, 156672, 162384, 174080, 191040, 195840, 202980, 203776, 216512, 229248, 243576, 254720, 261120, 270640, 286560, 304470, 305664, 313344, 324768, 382080, 391680, 405960, 407552, 433024, 458496, 487152, 509440, 522240, 541280, 573120, 608940, 611328, 649536, 764160, 783360, 811920, 866048, 916992, 974304, 1018880, 1082560, 1146240, 1217880, 1222656, 1299072, 1528320, 1566720, 1623840, 1732096, 1833984, 1948608, 2037760, 2165120, 2292480, 2435760, 2598144, 3056640, 3247680, 3464192, 3667968, 3897216, 4330240, 4584960, 4871520, 5196288, 6113280, 6495360, 6928384, 7794432, 8660480, 9169920, 9743040, 10392576, 12990720, 15588864, 17320960, 18339840, 19486080, 20785152, 25981440, 31177728, 34641920, 38972160, 51962880, 62355456, 77944320, 103925760, 155888640, 311777280]

約数ペア:

[(1, 311777280), (2, 155888640), (3, 103925760), (4, 77944320), (5, 62355456), (6, 51962880), (8, 38972160), (9, 34641920), (10, 31177728), (12, 25981440), (15, 20785152), (16, 19486080), (17, 18339840), (18, 17320960), (20, 15588864), (24, 12990720), (30, 10392576), (32, 9743040), (34, 9169920), (36, 8660480), (40, 7794432), (45, 6928384), (48, 6495360), (51, 6113280), (60, 5196288), (64, 4871520), (68, 4584960), (72, 4330240), (80, 3897216), (85, 3667968), (90, 3464192), (96, 3247680), (102, 3056640), (120, 2598144), (128, 2435760), (136, 2292480), (144, 2165120), (153, 2037760), (160, 1948608), (170, 1833984), (180, 1732096), (192, 1623840), (199, 1566720), (204, 1528320), (240, 1299072), (255, 1222656), (256, 1217880), (272, 1146240), (288, 1082560), (306, 1018880), (320, 974304), (340, 916992), (360, 866048), (384, 811920), (398, 783360), (408, 764160), (480, 649536), (510, 611328), (512, 608940), (544, 573120), (576, 541280), (597, 522240), (612, 509440), (640, 487152), (680, 458496), (720, 433024), (765, 407552), (768, 405960), (796, 391680), (816, 382080), (960, 324768), (995, 313344), (1020, 305664), (1024, 304470), (1088, 286560), (1152, 270640), (1194, 261120), (1224, 254720), (1280, 243576), (1360, 229248), (1440, 216512), (1530, 203776), (1536, 202980), (1592, 195840), (1632, 191040), (1791, 174080), (1920, 162384), (1990, 156672), (2040, 152832), (2048, 152235), (2176, 143280), (2304, 135320), (2388, 130560), (2448, 127360), (2560, 121788), (2720, 114624), (2880, 108256), (2985, 104448), (3060, 101888), (3072, 101490), (3184, 97920), (3264, 95520), (3383, 92160), (3582, 87040), (3840, 81192), (3980, 78336), (4080, 76416), (4352, 71640), (4608, 67660), (4776, 65280), (4896, 63680), (5120, 60894), (5440, 57312), (5760, 54128), (5970, 52224), (6120, 50944), (6144, 50745), (6368, 48960), (6528, 47760), (6766, 46080), (7164, 43520), (7680, 40596), (7960, 39168), (8160, 38208), (8704, 35820), (8955, 34816), (9216, 33830), (9552, 32640), (9792, 31840), (10149, 30720), (10240, 30447), (10880, 28656), (11520, 27064), (11940, 26112), (12240, 25472), (12736, 24480), (13056, 23880), (13532, 23040), (14328, 21760), (15360, 20298), (15920, 19584), (16320, 19104), (16915, 18432), (17408, 17910)]