1265344640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 192

約数和(自身を含む): 3555028440

約数和(自身を除く): 2289683800

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, 157, 160, 196, 224, 245, 257, 280, 314, 320, 392, 448, 490, 514, 560, 628, 640, 784, 785, 896, 980, 1028, 1099, 1120, 1256, 1285, 1568, 1570, 1799, 1960, 2056, 2198, 2240, 2512, 2570, 3136, 3140, 3598, 3920, 4112, 4396, 4480, 5024, 5140, 5495, 6272, 6280, 7196, 7693, 7840, 8224, 8792, 8995, 10048, 10280, 10990, 12560, 12593, 14392, 15386, 15680, 16448, 17584, 17990, 20096, 20560, 21980, 25120, 25186, 28784, 30772, 31360, 32896, 35168, 35980, 38465, 40349, 41120, 43960, 50240, 50372, 57568, 61544, 62965, 70336, 71960, 76930, 80698, 82240, 87920, 100480, 100744, 115136, 123088, 125930, 140672, 143920, 153860, 161396, 164480, 175840, 201488, 201745, 230272, 246176, 251860, 282443, 287840, 307720, 322792, 351680, 402976, 403490, 492352, 503720, 564886, 575680, 615440, 645584, 703360, 805952, 806980, 984704, 1007440, 1129772, 1151360, 1230880, 1291168, 1412215, 1611904, 1613960, 1977101, 2014880, 2259544, 2461760, 2582336, 2824430, 3227920, 3954202, 4029760, 4519088, 4923520, 5164672, 5648860, 6455840, 7908404, 8059520, 9038176, 9885505, 11297720, 12911680, 15816808, 18076352, 19771010, 22595440, 25823360, 31633616, 36152704, 39542020, 45190880, 63267232, 79084040, 90381760, 126534464, 158168080, 180763520, 253068928, 316336160, 632672320, 1265344640]

約数ペア:

[(1, 1265344640), (2, 632672320), (4, 316336160), (5, 253068928), (7, 180763520), (8, 158168080), (10, 126534464), (14, 90381760), (16, 79084040), (20, 63267232), (28, 45190880), (32, 39542020), (35, 36152704), (40, 31633616), (49, 25823360), (56, 22595440), (64, 19771010), (70, 18076352), (80, 15816808), (98, 12911680), (112, 11297720), (128, 9885505), (140, 9038176), (157, 8059520), (160, 7908404), (196, 6455840), (224, 5648860), (245, 5164672), (257, 4923520), (280, 4519088), (314, 4029760), (320, 3954202), (392, 3227920), (448, 2824430), (490, 2582336), (514, 2461760), (560, 2259544), (628, 2014880), (640, 1977101), (784, 1613960), (785, 1611904), (896, 1412215), (980, 1291168), (1028, 1230880), (1099, 1151360), (1120, 1129772), (1256, 1007440), (1285, 984704), (1568, 806980), (1570, 805952), (1799, 703360), (1960, 645584), (2056, 615440), (2198, 575680), (2240, 564886), (2512, 503720), (2570, 492352), (3136, 403490), (3140, 402976), (3598, 351680), (3920, 322792), (4112, 307720), (4396, 287840), (4480, 282443), (5024, 251860), (5140, 246176), (5495, 230272), (6272, 201745), (6280, 201488), (7196, 175840), (7693, 164480), (7840, 161396), (8224, 153860), (8792, 143920), (8995, 140672), (10048, 125930), (10280, 123088), (10990, 115136), (12560, 100744), (12593, 100480), (14392, 87920), (15386, 82240), (15680, 80698), (16448, 76930), (17584, 71960), (17990, 70336), (20096, 62965), (20560, 61544), (21980, 57568), (25120, 50372), (25186, 50240), (28784, 43960), (30772, 41120), (31360, 40349), (32896, 38465), (35168, 35980)]