2639409920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1087}}^1$

素因数の和:1386

約数の個数: 144

約数和(自身を含む): 7258718208

約数和(自身を除く): 4619308288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 271, 280, 320, 448, 542, 560, 640, 896, 1084, 1087, 1120, 1280, 1355, 1792, 1897, 2168, 2174, 2240, 2710, 3794, 4336, 4348, 4480, 5420, 5435, 7588, 7609, 8672, 8696, 8960, 9485, 10840, 10870, 15176, 15218, 17344, 17392, 18970, 21680, 21740, 30352, 30436, 34688, 34784, 37940, 38045, 43360, 43480, 60704, 60872, 69376, 69568, 75880, 76090, 86720, 86960, 121408, 121744, 139136, 151760, 152180, 173440, 173920, 242816, 243488, 278272, 294577, 303520, 304360, 346880, 347840, 485632, 486976, 589154, 607040, 608720, 695680, 973952, 1178308, 1214080, 1217440, 1391360, 1472885, 1947904, 2062039, 2356616, 2428160, 2434880, 2945770, 4124078, 4713232, 4869760, 5891540, 8248156, 9426464, 9739520, 10310195, 11783080, 16496312, 18852928, 20620390, 23566160, 32992624, 37705856, 41240780, 47132320, 65985248, 75411712, 82481560, 94264640, 131970496, 164963120, 188529280, 263940992, 329926240, 377058560, 527881984, 659852480, 1319704960, 2639409920]

約数ペア:

[(1, 2639409920), (2, 1319704960), (4, 659852480), (5, 527881984), (7, 377058560), (8, 329926240), (10, 263940992), (14, 188529280), (16, 164963120), (20, 131970496), (28, 94264640), (32, 82481560), (35, 75411712), (40, 65985248), (56, 47132320), (64, 41240780), (70, 37705856), (80, 32992624), (112, 23566160), (128, 20620390), (140, 18852928), (160, 16496312), (224, 11783080), (256, 10310195), (271, 9739520), (280, 9426464), (320, 8248156), (448, 5891540), (542, 4869760), (560, 4713232), (640, 4124078), (896, 2945770), (1084, 2434880), (1087, 2428160), (1120, 2356616), (1280, 2062039), (1355, 1947904), (1792, 1472885), (1897, 1391360), (2168, 1217440), (2174, 1214080), (2240, 1178308), (2710, 973952), (3794, 695680), (4336, 608720), (4348, 607040), (4480, 589154), (5420, 486976), (5435, 485632), (7588, 347840), (7609, 346880), (8672, 304360), (8696, 303520), (8960, 294577), (9485, 278272), (10840, 243488), (10870, 242816), (15176, 173920), (15218, 173440), (17344, 152180), (17392, 151760), (18970, 139136), (21680, 121744), (21740, 121408), (30352, 86960), (30436, 86720), (34688, 76090), (34784, 75880), (37940, 69568), (38045, 69376), (43360, 60872), (43480, 60704)]