315105280

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 168

約数和(自身を含む): 885271788

約数和(自身を除く): 570166508

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, 256, 280, 314, 320, 392, 448, 490, 512, 560, 628, 640, 784, 785, 896, 980, 1024, 1099, 1120, 1256, 1280, 1568, 1570, 1792, 1960, 2048, 2198, 2240, 2512, 2560, 3136, 3140, 3584, 3920, 4096, 4396, 4480, 5024, 5120, 5495, 6272, 6280, 7168, 7693, 7840, 8192, 8792, 8960, 10048, 10240, 10990, 12544, 12560, 14336, 15386, 15680, 17584, 17920, 20096, 20480, 21980, 25088, 25120, 28672, 30772, 31360, 35168, 35840, 38465, 40192, 40960, 43960, 50176, 50240, 57344, 61544, 62720, 70336, 71680, 76930, 80384, 87920, 100352, 100480, 123088, 125440, 140672, 143360, 153860, 160768, 175840, 200704, 200960, 246176, 250880, 281344, 286720, 307720, 321536, 351680, 401408, 401920, 492352, 501760, 562688, 615440, 643072, 703360, 803840, 984704, 1003520, 1125376, 1230880, 1286144, 1406720, 1607680, 1969408, 2007040, 2250752, 2461760, 2813440, 3215360, 3938816, 4501504, 4923520, 5626880, 6430720, 7877632, 9003008, 9847040, 11253760, 15755264, 19694080, 22507520, 31510528, 39388160, 45015040, 63021056, 78776320, 157552640, 315105280]

約数ペア:

[(1, 315105280), (2, 157552640), (4, 78776320), (5, 63021056), (7, 45015040), (8, 39388160), (10, 31510528), (14, 22507520), (16, 19694080), (20, 15755264), (28, 11253760), (32, 9847040), (35, 9003008), (40, 7877632), (49, 6430720), (56, 5626880), (64, 4923520), (70, 4501504), (80, 3938816), (98, 3215360), (112, 2813440), (128, 2461760), (140, 2250752), (157, 2007040), (160, 1969408), (196, 1607680), (224, 1406720), (245, 1286144), (256, 1230880), (280, 1125376), (314, 1003520), (320, 984704), (392, 803840), (448, 703360), (490, 643072), (512, 615440), (560, 562688), (628, 501760), (640, 492352), (784, 401920), (785, 401408), (896, 351680), (980, 321536), (1024, 307720), (1099, 286720), (1120, 281344), (1256, 250880), (1280, 246176), (1568, 200960), (1570, 200704), (1792, 175840), (1960, 160768), (2048, 153860), (2198, 143360), (2240, 140672), (2512, 125440), (2560, 123088), (3136, 100480), (3140, 100352), (3584, 87920), (3920, 80384), (4096, 76930), (4396, 71680), (4480, 70336), (5024, 62720), (5120, 61544), (5495, 57344), (6272, 50240), (6280, 50176), (7168, 43960), (7693, 40960), (7840, 40192), (8192, 38465), (8792, 35840), (8960, 35168), (10048, 31360), (10240, 30772), (10990, 28672), (12544, 25120), (12560, 25088), (14336, 21980), (15386, 20480), (15680, 20096), (17584, 17920)]