51640320

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{41}}^2$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 169336440

約数和(自身を除く): 117696120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 512, 615, 640, 656, 768, 820, 960, 984, 1024, 1230, 1280, 1312, 1536, 1640, 1681, 1920, 1968, 2048, 2460, 2560, 2624, 3072, 3280, 3362, 3840, 3936, 4920, 5043, 5120, 5248, 6144, 6560, 6724, 7680, 7872, 8405, 9840, 10086, 10240, 10496, 13120, 13448, 15360, 15744, 16810, 19680, 20172, 20992, 25215, 26240, 26896, 30720, 31488, 33620, 39360, 40344, 41984, 50430, 52480, 53792, 62976, 67240, 78720, 80688, 83968, 100860, 104960, 107584, 125952, 134480, 157440, 161376, 201720, 209920, 215168, 251904, 268960, 314880, 322752, 403440, 419840, 430336, 537920, 629760, 645504, 806880, 860672, 1075840, 1259520, 1291008, 1613760, 1721344, 2151680, 2582016, 3227520, 3442688, 4303360, 5164032, 6455040, 8606720, 10328064, 12910080, 17213440, 25820160, 51640320]

約数ペア:

[(1, 51640320), (2, 25820160), (3, 17213440), (4, 12910080), (5, 10328064), (6, 8606720), (8, 6455040), (10, 5164032), (12, 4303360), (15, 3442688), (16, 3227520), (20, 2582016), (24, 2151680), (30, 1721344), (32, 1613760), (40, 1291008), (41, 1259520), (48, 1075840), (60, 860672), (64, 806880), (80, 645504), (82, 629760), (96, 537920), (120, 430336), (123, 419840), (128, 403440), (160, 322752), (164, 314880), (192, 268960), (205, 251904), (240, 215168), (246, 209920), (256, 201720), (320, 161376), (328, 157440), (384, 134480), (410, 125952), (480, 107584), (492, 104960), (512, 100860), (615, 83968), (640, 80688), (656, 78720), (768, 67240), (820, 62976), (960, 53792), (984, 52480), (1024, 50430), (1230, 41984), (1280, 40344), (1312, 39360), (1536, 33620), (1640, 31488), (1681, 30720), (1920, 26896), (1968, 26240), (2048, 25215), (2460, 20992), (2560, 20172), (2624, 19680), (3072, 16810), (3280, 15744), (3362, 15360), (3840, 13448), (3936, 13120), (4920, 10496), (5043, 10240), (5120, 10086), (5248, 9840), (6144, 8405), (6560, 7872), (6724, 7680)]