28044800

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 120

約数和(自身を含む): 79663056

約数和(自身を除く): 51618256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 313, 320, 350, 400, 448, 512, 560, 626, 640, 700, 800, 896, 1120, 1252, 1280, 1400, 1565, 1600, 1792, 2191, 2240, 2504, 2560, 2800, 3130, 3200, 3584, 4382, 4480, 5008, 5600, 6260, 6400, 7825, 8764, 8960, 10016, 10955, 11200, 12520, 12800, 15650, 17528, 17920, 20032, 21910, 22400, 25040, 31300, 35056, 40064, 43820, 44800, 50080, 54775, 62600, 70112, 80128, 87640, 89600, 100160, 109550, 125200, 140224, 160256, 175280, 200320, 219100, 250400, 280448, 350560, 400640, 438200, 500800, 560896, 701120, 801280, 876400, 1001600, 1121792, 1402240, 1752800, 2003200, 2804480, 3505600, 4006400, 5608960, 7011200, 14022400, 28044800]

約数ペア:

[(1, 28044800), (2, 14022400), (4, 7011200), (5, 5608960), (7, 4006400), (8, 3505600), (10, 2804480), (14, 2003200), (16, 1752800), (20, 1402240), (25, 1121792), (28, 1001600), (32, 876400), (35, 801280), (40, 701120), (50, 560896), (56, 500800), (64, 438200), (70, 400640), (80, 350560), (100, 280448), (112, 250400), (128, 219100), (140, 200320), (160, 175280), (175, 160256), (200, 140224), (224, 125200), (256, 109550), (280, 100160), (313, 89600), (320, 87640), (350, 80128), (400, 70112), (448, 62600), (512, 54775), (560, 50080), (626, 44800), (640, 43820), (700, 40064), (800, 35056), (896, 31300), (1120, 25040), (1252, 22400), (1280, 21910), (1400, 20032), (1565, 17920), (1600, 17528), (1792, 15650), (2191, 12800), (2240, 12520), (2504, 11200), (2560, 10955), (2800, 10016), (3130, 8960), (3200, 8764), (3584, 7825), (4382, 6400), (4480, 6260), (5008, 5600)]