280788480

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{1741}}^1$

素因数の和:1777

約数の個数: 240

約数和(自身を含む): 1112009184

約数和(自身を除く): 831220704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1741, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3482, 3584, 3840, 4032, 4480, 4608, 5040, 5223, 5376, 5760, 6720, 6964, 7680, 8064, 8705, 8960, 10080, 10446, 10752, 11520, 12187, 13440, 13928, 15669, 16128, 17410, 17920, 20160, 20892, 23040, 24374, 26115, 26880, 27856, 31338, 32256, 34820, 36561, 40320, 41784, 48748, 52230, 53760, 55712, 60935, 62676, 69640, 73122, 78345, 80640, 83568, 97496, 104460, 109683, 111424, 121870, 125352, 139280, 146244, 156690, 161280, 167136, 182805, 194992, 208920, 219366, 222848, 243740, 250704, 278560, 292488, 313380, 334272, 365610, 389984, 417840, 438732, 445696, 487480, 501408, 548415, 557120, 584976, 626760, 668544, 731220, 779968, 835680, 877464, 891392, 974960, 1002816, 1096830, 1114240, 1169952, 1253520, 1337088, 1462440, 1559936, 1671360, 1754928, 1949920, 2005632, 2193660, 2228480, 2339904, 2507040, 2674176, 2924880, 3119872, 3342720, 3509856, 3899840, 4011264, 4387320, 4456960, 4679808, 5014080, 5849760, 6239744, 6685440, 7019712, 7799680, 8022528, 8774640, 9359616, 10028160, 11699520, 13370880, 14039424, 15599360, 17549280, 18719232, 20056320, 23399040, 28078848, 31198720, 35098560, 40112640, 46798080, 56157696, 70197120, 93596160, 140394240, 280788480]

約数ペア:

[(1, 280788480), (2, 140394240), (3, 93596160), (4, 70197120), (5, 56157696), (6, 46798080), (7, 40112640), (8, 35098560), (9, 31198720), (10, 28078848), (12, 23399040), (14, 20056320), (15, 18719232), (16, 17549280), (18, 15599360), (20, 14039424), (21, 13370880), (24, 11699520), (28, 10028160), (30, 9359616), (32, 8774640), (35, 8022528), (36, 7799680), (40, 7019712), (42, 6685440), (45, 6239744), (48, 5849760), (56, 5014080), (60, 4679808), (63, 4456960), (64, 4387320), (70, 4011264), (72, 3899840), (80, 3509856), (84, 3342720), (90, 3119872), (96, 2924880), (105, 2674176), (112, 2507040), (120, 2339904), (126, 2228480), (128, 2193660), (140, 2005632), (144, 1949920), (160, 1754928), (168, 1671360), (180, 1559936), (192, 1462440), (210, 1337088), (224, 1253520), (240, 1169952), (252, 1114240), (256, 1096830), (280, 1002816), (288, 974960), (315, 891392), (320, 877464), (336, 835680), (360, 779968), (384, 731220), (420, 668544), (448, 626760), (480, 584976), (504, 557120), (512, 548415), (560, 501408), (576, 487480), (630, 445696), (640, 438732), (672, 417840), (720, 389984), (768, 365610), (840, 334272), (896, 313380), (960, 292488), (1008, 278560), (1120, 250704), (1152, 243740), (1260, 222848), (1280, 219366), (1344, 208920), (1440, 194992), (1536, 182805), (1680, 167136), (1741, 161280), (1792, 156690), (1920, 146244), (2016, 139280), (2240, 125352), (2304, 121870), (2520, 111424), (2560, 109683), (2688, 104460), (2880, 97496), (3360, 83568), (3482, 80640), (3584, 78345), (3840, 73122), (4032, 69640), (4480, 62676), (4608, 60935), (5040, 55712), (5223, 53760), (5376, 52230), (5760, 48748), (6720, 41784), (6964, 40320), (7680, 36561), (8064, 34820), (8705, 32256), (8960, 31338), (10080, 27856), (10446, 26880), (10752, 26115), (11520, 24374), (12187, 23040), (13440, 20892), (13928, 20160), (15669, 17920), (16128, 17410)]