281048320

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 108

約数和(自身を含む): 783283284

約数和(自身を除く): 502234964

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, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 4481, 6272, 7840, 8960, 8962, 12544, 15680, 17924, 22405, 31360, 31367, 35848, 44810, 62720, 62734, 71696, 89620, 125468, 143392, 156835, 179240, 219569, 250936, 286784, 313670, 358480, 439138, 501872, 573568, 627340, 716960, 878276, 1003744, 1097845, 1147136, 1254680, 1433920, 1756552, 2007488, 2195690, 2509360, 2867840, 3513104, 4014976, 4391380, 5018720, 5735680, 7026208, 8029952, 8782760, 10037440, 14052416, 17565520, 20074880, 28104832, 35131040, 40149760, 56209664, 70262080, 140524160, 281048320]

約数ペア:

[(1, 281048320), (2, 140524160), (4, 70262080), (5, 56209664), (7, 40149760), (8, 35131040), (10, 28104832), (14, 20074880), (16, 17565520), (20, 14052416), (28, 10037440), (32, 8782760), (35, 8029952), (40, 7026208), (49, 5735680), (56, 5018720), (64, 4391380), (70, 4014976), (80, 3513104), (98, 2867840), (112, 2509360), (128, 2195690), (140, 2007488), (160, 1756552), (196, 1433920), (224, 1254680), (245, 1147136), (256, 1097845), (280, 1003744), (320, 878276), (392, 716960), (448, 627340), (490, 573568), (560, 501872), (640, 439138), (784, 358480), (896, 313670), (980, 286784), (1120, 250936), (1280, 219569), (1568, 179240), (1792, 156835), (1960, 143392), (2240, 125468), (3136, 89620), (3920, 71696), (4480, 62734), (4481, 62720), (6272, 44810), (7840, 35848), (8960, 31367), (8962, 31360), (12544, 22405), (15680, 17924)]