42730240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 123621120

約数和(自身を除く): 80890880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 251, 256, 266, 280, 304, 320, 380, 448, 502, 532, 560, 608, 640, 665, 760, 896, 1004, 1064, 1120, 1216, 1255, 1280, 1330, 1520, 1757, 1792, 2008, 2128, 2240, 2432, 2510, 2660, 3040, 3514, 4016, 4256, 4480, 4769, 4864, 5020, 5320, 6080, 7028, 8032, 8512, 8785, 8960, 9538, 10040, 10640, 12160, 14056, 16064, 17024, 17570, 19076, 20080, 21280, 23845, 24320, 28112, 32128, 33383, 34048, 35140, 38152, 40160, 42560, 47690, 56224, 64256, 66766, 70280, 76304, 80320, 85120, 95380, 112448, 133532, 140560, 152608, 160640, 166915, 170240, 190760, 224896, 267064, 281120, 305216, 321280, 333830, 381520, 449792, 534128, 562240, 610432, 667660, 763040, 1068256, 1124480, 1220864, 1335320, 1526080, 2136512, 2248960, 2670640, 3052160, 4273024, 5341280, 6104320, 8546048, 10682560, 21365120, 42730240]

約数ペア:

[(1, 42730240), (2, 21365120), (4, 10682560), (5, 8546048), (7, 6104320), (8, 5341280), (10, 4273024), (14, 3052160), (16, 2670640), (19, 2248960), (20, 2136512), (28, 1526080), (32, 1335320), (35, 1220864), (38, 1124480), (40, 1068256), (56, 763040), (64, 667660), (70, 610432), (76, 562240), (80, 534128), (95, 449792), (112, 381520), (128, 333830), (133, 321280), (140, 305216), (152, 281120), (160, 267064), (190, 224896), (224, 190760), (251, 170240), (256, 166915), (266, 160640), (280, 152608), (304, 140560), (320, 133532), (380, 112448), (448, 95380), (502, 85120), (532, 80320), (560, 76304), (608, 70280), (640, 66766), (665, 64256), (760, 56224), (896, 47690), (1004, 42560), (1064, 40160), (1120, 38152), (1216, 35140), (1255, 34048), (1280, 33383), (1330, 32128), (1520, 28112), (1757, 24320), (1792, 23845), (2008, 21280), (2128, 20080), (2240, 19076), (2432, 17570), (2510, 17024), (2660, 16064), (3040, 14056), (3514, 12160), (4016, 10640), (4256, 10040), (4480, 9538), (4769, 8960), (4864, 8785), (5020, 8512), (5320, 8032), (6080, 7028)]