56416640

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 157896000

約数和(自身を除く): 101479360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 257, 280, 320, 343, 392, 448, 490, 514, 560, 640, 686, 784, 896, 980, 1028, 1120, 1285, 1372, 1568, 1715, 1799, 1960, 2056, 2240, 2570, 2744, 3136, 3430, 3598, 3920, 4112, 4480, 5140, 5488, 6272, 6860, 7196, 7840, 8224, 8995, 10280, 10976, 12593, 13720, 14392, 15680, 16448, 17990, 20560, 21952, 25186, 27440, 28784, 31360, 32896, 35980, 41120, 43904, 50372, 54880, 57568, 62965, 71960, 82240, 88151, 100744, 109760, 115136, 125930, 143920, 164480, 176302, 201488, 219520, 230272, 251860, 287840, 352604, 402976, 440755, 503720, 575680, 705208, 805952, 881510, 1007440, 1151360, 1410416, 1611904, 1763020, 2014880, 2820832, 3526040, 4029760, 5641664, 7052080, 8059520, 11283328, 14104160, 28208320, 56416640]

約数ペア:

[(1, 56416640), (2, 28208320), (4, 14104160), (5, 11283328), (7, 8059520), (8, 7052080), (10, 5641664), (14, 4029760), (16, 3526040), (20, 2820832), (28, 2014880), (32, 1763020), (35, 1611904), (40, 1410416), (49, 1151360), (56, 1007440), (64, 881510), (70, 805952), (80, 705208), (98, 575680), (112, 503720), (128, 440755), (140, 402976), (160, 352604), (196, 287840), (224, 251860), (245, 230272), (257, 219520), (280, 201488), (320, 176302), (343, 164480), (392, 143920), (448, 125930), (490, 115136), (514, 109760), (560, 100744), (640, 88151), (686, 82240), (784, 71960), (896, 62965), (980, 57568), (1028, 54880), (1120, 50372), (1285, 43904), (1372, 41120), (1568, 35980), (1715, 32896), (1799, 31360), (1960, 28784), (2056, 27440), (2240, 25186), (2570, 21952), (2744, 20560), (3136, 17990), (3430, 16448), (3598, 15680), (3920, 14392), (4112, 13720), (4480, 12593), (5140, 10976), (5488, 10280), (6272, 8995), (6860, 8224), (7196, 7840)]