315521280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 216

約数和(自身を含む): 1112038200

約数和(自身を除く): 796516920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 160, 180, 183, 192, 240, 244, 256, 288, 305, 320, 360, 366, 384, 449, 480, 488, 549, 576, 610, 640, 720, 732, 768, 898, 915, 960, 976, 1098, 1152, 1220, 1280, 1347, 1440, 1464, 1796, 1830, 1920, 1952, 2196, 2245, 2304, 2440, 2694, 2745, 2880, 2928, 3592, 3660, 3840, 3904, 4041, 4392, 4490, 4880, 5388, 5490, 5760, 5856, 6735, 7184, 7320, 7808, 8082, 8784, 8980, 9760, 10776, 10980, 11520, 11712, 13470, 14368, 14640, 15616, 16164, 17568, 17960, 19520, 20205, 21552, 21960, 23424, 26940, 27389, 28736, 29280, 32328, 35136, 35920, 39040, 40410, 43104, 43920, 46848, 53880, 54778, 57472, 58560, 64656, 70272, 71840, 78080, 80820, 82167, 86208, 87840, 107760, 109556, 114944, 117120, 129312, 136945, 140544, 143680, 161640, 164334, 172416, 175680, 215520, 219112, 234240, 246501, 258624, 273890, 287360, 323280, 328668, 344832, 351360, 410835, 431040, 438224, 493002, 517248, 547780, 574720, 646560, 657336, 702720, 821670, 862080, 876448, 986004, 1034496, 1095560, 1232505, 1293120, 1314672, 1643340, 1724160, 1752896, 1972008, 2191120, 2465010, 2586240, 2629344, 3286680, 3505792, 3944016, 4382240, 4930020, 5172480, 5258688, 6573360, 7011584, 7888032, 8764480, 9860040, 10517376, 13146720, 15776064, 17528960, 19720080, 21034752, 26293440, 31552128, 35057920, 39440160, 52586880, 63104256, 78880320, 105173760, 157760640, 315521280]

約数ペア:

[(1, 315521280), (2, 157760640), (3, 105173760), (4, 78880320), (5, 63104256), (6, 52586880), (8, 39440160), (9, 35057920), (10, 31552128), (12, 26293440), (15, 21034752), (16, 19720080), (18, 17528960), (20, 15776064), (24, 13146720), (30, 10517376), (32, 9860040), (36, 8764480), (40, 7888032), (45, 7011584), (48, 6573360), (60, 5258688), (61, 5172480), (64, 4930020), (72, 4382240), (80, 3944016), (90, 3505792), (96, 3286680), (120, 2629344), (122, 2586240), (128, 2465010), (144, 2191120), (160, 1972008), (180, 1752896), (183, 1724160), (192, 1643340), (240, 1314672), (244, 1293120), (256, 1232505), (288, 1095560), (305, 1034496), (320, 986004), (360, 876448), (366, 862080), (384, 821670), (449, 702720), (480, 657336), (488, 646560), (549, 574720), (576, 547780), (610, 517248), (640, 493002), (720, 438224), (732, 431040), (768, 410835), (898, 351360), (915, 344832), (960, 328668), (976, 323280), (1098, 287360), (1152, 273890), (1220, 258624), (1280, 246501), (1347, 234240), (1440, 219112), (1464, 215520), (1796, 175680), (1830, 172416), (1920, 164334), (1952, 161640), (2196, 143680), (2245, 140544), (2304, 136945), (2440, 129312), (2694, 117120), (2745, 114944), (2880, 109556), (2928, 107760), (3592, 87840), (3660, 86208), (3840, 82167), (3904, 80820), (4041, 78080), (4392, 71840), (4490, 70272), (4880, 64656), (5388, 58560), (5490, 57472), (5760, 54778), (5856, 53880), (6735, 46848), (7184, 43920), (7320, 43104), (7808, 40410), (8082, 39040), (8784, 35920), (8980, 35136), (9760, 32328), (10776, 29280), (10980, 28736), (11520, 27389), (11712, 26940), (13470, 23424), (14368, 21960), (14640, 21552), (15616, 20205), (16164, 19520), (17568, 17960)]